1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3  * Copyright (c) 2020 Rockchip Electronics Co., Ltd.
4  * Author: Andy Yan <andy.yan@rock-chips.com>
5  */
6 #include <linux/bitfield.h>
7 #include <linux/clk.h>
8 #include <linux/component.h>
9 #include <linux/delay.h>
10 #include <linux/iopoll.h>
11 #include <linux/kernel.h>
12 #include <linux/media-bus-format.h>
13 #include <linux/mfd/syscon.h>
14 #include <linux/module.h>
15 #include <linux/of.h>
16 #include <linux/of_graph.h>
17 #include <linux/platform_device.h>
18 #include <linux/pm_runtime.h>
19 #include <linux/regmap.h>
20 #include <linux/swab.h>
21 
22 #include <drm/drm.h>
23 #include <drm/drm_atomic.h>
24 #include <drm/drm_atomic_uapi.h>
25 #include <drm/drm_blend.h>
26 #include <drm/drm_crtc.h>
27 #include <drm/drm_debugfs.h>
28 #include <drm/drm_flip_work.h>
29 #include <drm/drm_framebuffer.h>
30 #include <drm/drm_probe_helper.h>
31 #include <drm/drm_vblank.h>
32 
33 #include <uapi/linux/videodev2.h>
34 #include <dt-bindings/soc/rockchip,vop2.h>
35 
36 #include "rockchip_drm_drv.h"
37 #include "rockchip_drm_gem.h"
38 #include "rockchip_drm_fb.h"
39 #include "rockchip_drm_vop2.h"
40 #include "rockchip_rgb.h"
41 
42 /*
43  * VOP2 architecture
44  *
45  +----------+   +-------------+                                                        +-----------+
46  |  Cluster |   | Sel 1 from 6|                                                        | 1 from 3  |
47  |  window0 |   |    Layer0   |                                                        |    RGB    |
48  +----------+   +-------------+              +---------------+    +-------------+      +-----------+
49  +----------+   +-------------+              |N from 6 layers|    |             |
50  |  Cluster |   | Sel 1 from 6|              |   Overlay0    +--->| Video Port0 |      +-----------+
51  |  window1 |   |    Layer1   |              |               |    |             |      | 1 from 3  |
52  +----------+   +-------------+              +---------------+    +-------------+      |   LVDS    |
53  +----------+   +-------------+                                                        +-----------+
54  |  Esmart  |   | Sel 1 from 6|
55  |  window0 |   |   Layer2    |              +---------------+    +-------------+      +-----------+
56  +----------+   +-------------+              |N from 6 Layers|    |             | +--> | 1 from 3  |
57  +----------+   +-------------+   -------->  |   Overlay1    +--->| Video Port1 |      |   MIPI    |
58  |  Esmart  |   | Sel 1 from 6|   -------->  |               |    |             |      +-----------+
59  |  Window1 |   |   Layer3    |              +---------------+    +-------------+
60  +----------+   +-------------+                                                        +-----------+
61  +----------+   +-------------+                                                        | 1 from 3  |
62  |  Smart   |   | Sel 1 from 6|              +---------------+    +-------------+      |   HDMI    |
63  |  Window0 |   |    Layer4   |              |N from 6 Layers|    |             |      +-----------+
64  +----------+   +-------------+              |   Overlay2    +--->| Video Port2 |
65  +----------+   +-------------+              |               |    |             |      +-----------+
66  |  Smart   |   | Sel 1 from 6|              +---------------+    +-------------+      |  1 from 3 |
67  |  Window1 |   |    Layer5   |                                                        |    eDP    |
68  +----------+   +-------------+                                                        +-----------+
69  *
70  */
71 
72 enum vop2_data_format {
73 	VOP2_FMT_ARGB8888 = 0,
74 	VOP2_FMT_RGB888,
75 	VOP2_FMT_RGB565,
76 	VOP2_FMT_XRGB101010,
77 	VOP2_FMT_YUV420SP,
78 	VOP2_FMT_YUV422SP,
79 	VOP2_FMT_YUV444SP,
80 	VOP2_FMT_YUYV422 = 8,
81 	VOP2_FMT_YUYV420,
82 	VOP2_FMT_VYUY422,
83 	VOP2_FMT_VYUY420,
84 	VOP2_FMT_YUV420SP_TILE_8x4 = 0x10,
85 	VOP2_FMT_YUV420SP_TILE_16x2,
86 	VOP2_FMT_YUV422SP_TILE_8x4,
87 	VOP2_FMT_YUV422SP_TILE_16x2,
88 	VOP2_FMT_YUV420SP_10,
89 	VOP2_FMT_YUV422SP_10,
90 	VOP2_FMT_YUV444SP_10,
91 };
92 
93 enum vop2_afbc_format {
94 	VOP2_AFBC_FMT_RGB565,
95 	VOP2_AFBC_FMT_ARGB2101010 = 2,
96 	VOP2_AFBC_FMT_YUV420_10BIT,
97 	VOP2_AFBC_FMT_RGB888,
98 	VOP2_AFBC_FMT_ARGB8888,
99 	VOP2_AFBC_FMT_YUV420 = 9,
100 	VOP2_AFBC_FMT_YUV422 = 0xb,
101 	VOP2_AFBC_FMT_YUV422_10BIT = 0xe,
102 	VOP2_AFBC_FMT_INVALID = -1,
103 };
104 
105 union vop2_alpha_ctrl {
106 	u32 val;
107 	struct {
108 		/* [0:1] */
109 		u32 color_mode:1;
110 		u32 alpha_mode:1;
111 		/* [2:3] */
112 		u32 blend_mode:2;
113 		u32 alpha_cal_mode:1;
114 		/* [5:7] */
115 		u32 factor_mode:3;
116 		/* [8:9] */
117 		u32 alpha_en:1;
118 		u32 src_dst_swap:1;
119 		u32 reserved:6;
120 		/* [16:23] */
121 		u32 glb_alpha:8;
122 	} bits;
123 };
124 
125 struct vop2_alpha {
126 	union vop2_alpha_ctrl src_color_ctrl;
127 	union vop2_alpha_ctrl dst_color_ctrl;
128 	union vop2_alpha_ctrl src_alpha_ctrl;
129 	union vop2_alpha_ctrl dst_alpha_ctrl;
130 };
131 
132 struct vop2_alpha_config {
133 	bool src_premulti_en;
134 	bool dst_premulti_en;
135 	bool src_pixel_alpha_en;
136 	bool dst_pixel_alpha_en;
137 	u16 src_glb_alpha_value;
138 	u16 dst_glb_alpha_value;
139 };
140 
141 struct vop2_win {
142 	struct vop2 *vop2;
143 	struct drm_plane base;
144 	const struct vop2_win_data *data;
145 	struct regmap_field *reg[VOP2_WIN_MAX_REG];
146 
147 	/**
148 	 * @win_id: graphic window id, a cluster may be split into two
149 	 * graphics windows.
150 	 */
151 	u8 win_id;
152 	u8 delay;
153 	u32 offset;
154 
155 	enum drm_plane_type type;
156 };
157 
158 struct vop2_video_port {
159 	struct drm_crtc crtc;
160 	struct vop2 *vop2;
161 	struct clk *dclk;
162 	unsigned int id;
163 	const struct vop2_video_port_regs *regs;
164 	const struct vop2_video_port_data *data;
165 
166 	struct completion dsp_hold_completion;
167 
168 	/**
169 	 * @win_mask: Bitmask of windows attached to the video port;
170 	 */
171 	u32 win_mask;
172 
173 	struct vop2_win *primary_plane;
174 	struct drm_pending_vblank_event *event;
175 
176 	unsigned int nlayers;
177 };
178 
179 struct vop2 {
180 	struct device *dev;
181 	struct drm_device *drm;
182 	struct vop2_video_port vps[ROCKCHIP_MAX_CRTC];
183 
184 	const struct vop2_data *data;
185 	/*
186 	 * Number of windows that are registered as plane, may be less than the
187 	 * total number of hardware windows.
188 	 */
189 	u32 registered_num_wins;
190 
191 	void __iomem *regs;
192 	struct regmap *map;
193 
194 	struct regmap *grf;
195 
196 	/* physical map length of vop2 register */
197 	u32 len;
198 
199 	void __iomem *lut_regs;
200 
201 	/* protects crtc enable/disable */
202 	struct mutex vop2_lock;
203 
204 	int irq;
205 
206 	/*
207 	 * Some global resources are shared between all video ports(crtcs), so
208 	 * we need a ref counter here.
209 	 */
210 	unsigned int enable_count;
211 	struct clk *hclk;
212 	struct clk *aclk;
213 
214 	/* optional internal rgb encoder */
215 	struct rockchip_rgb *rgb;
216 
217 	/* must be put at the end of the struct */
218 	struct vop2_win win[];
219 };
220 
to_vop2_video_port(struct drm_crtc * crtc)221 static struct vop2_video_port *to_vop2_video_port(struct drm_crtc *crtc)
222 {
223 	return container_of(crtc, struct vop2_video_port, crtc);
224 }
225 
to_vop2_win(struct drm_plane * p)226 static struct vop2_win *to_vop2_win(struct drm_plane *p)
227 {
228 	return container_of(p, struct vop2_win, base);
229 }
230 
vop2_lock(struct vop2 * vop2)231 static void vop2_lock(struct vop2 *vop2)
232 {
233 	mutex_lock(&vop2->vop2_lock);
234 }
235 
vop2_unlock(struct vop2 * vop2)236 static void vop2_unlock(struct vop2 *vop2)
237 {
238 	mutex_unlock(&vop2->vop2_lock);
239 }
240 
vop2_writel(struct vop2 * vop2,u32 offset,u32 v)241 static void vop2_writel(struct vop2 *vop2, u32 offset, u32 v)
242 {
243 	regmap_write(vop2->map, offset, v);
244 }
245 
vop2_vp_write(struct vop2_video_port * vp,u32 offset,u32 v)246 static void vop2_vp_write(struct vop2_video_port *vp, u32 offset, u32 v)
247 {
248 	regmap_write(vp->vop2->map, vp->data->offset + offset, v);
249 }
250 
vop2_readl(struct vop2 * vop2,u32 offset)251 static u32 vop2_readl(struct vop2 *vop2, u32 offset)
252 {
253 	u32 val;
254 
255 	regmap_read(vop2->map, offset, &val);
256 
257 	return val;
258 }
259 
vop2_win_write(const struct vop2_win * win,unsigned int reg,u32 v)260 static void vop2_win_write(const struct vop2_win *win, unsigned int reg, u32 v)
261 {
262 	regmap_field_write(win->reg[reg], v);
263 }
264 
vop2_cluster_window(const struct vop2_win * win)265 static bool vop2_cluster_window(const struct vop2_win *win)
266 {
267 	return win->data->feature & WIN_FEATURE_CLUSTER;
268 }
269 
vop2_cfg_done(struct vop2_video_port * vp)270 static void vop2_cfg_done(struct vop2_video_port *vp)
271 {
272 	struct vop2 *vop2 = vp->vop2;
273 
274 	regmap_set_bits(vop2->map, RK3568_REG_CFG_DONE,
275 			BIT(vp->id) | RK3568_REG_CFG_DONE__GLB_CFG_DONE_EN);
276 }
277 
vop2_win_disable(struct vop2_win * win)278 static void vop2_win_disable(struct vop2_win *win)
279 {
280 	vop2_win_write(win, VOP2_WIN_ENABLE, 0);
281 
282 	if (vop2_cluster_window(win))
283 		vop2_win_write(win, VOP2_WIN_CLUSTER_ENABLE, 0);
284 }
285 
vop2_convert_format(u32 format)286 static enum vop2_data_format vop2_convert_format(u32 format)
287 {
288 	switch (format) {
289 	case DRM_FORMAT_XRGB8888:
290 	case DRM_FORMAT_ARGB8888:
291 	case DRM_FORMAT_XBGR8888:
292 	case DRM_FORMAT_ABGR8888:
293 		return VOP2_FMT_ARGB8888;
294 	case DRM_FORMAT_RGB888:
295 	case DRM_FORMAT_BGR888:
296 		return VOP2_FMT_RGB888;
297 	case DRM_FORMAT_RGB565:
298 	case DRM_FORMAT_BGR565:
299 		return VOP2_FMT_RGB565;
300 	case DRM_FORMAT_NV12:
301 		return VOP2_FMT_YUV420SP;
302 	case DRM_FORMAT_NV16:
303 		return VOP2_FMT_YUV422SP;
304 	case DRM_FORMAT_NV24:
305 		return VOP2_FMT_YUV444SP;
306 	case DRM_FORMAT_YUYV:
307 	case DRM_FORMAT_YVYU:
308 		return VOP2_FMT_VYUY422;
309 	case DRM_FORMAT_VYUY:
310 	case DRM_FORMAT_UYVY:
311 		return VOP2_FMT_YUYV422;
312 	default:
313 		DRM_ERROR("unsupported format[%08x]\n", format);
314 		return -EINVAL;
315 	}
316 }
317 
vop2_convert_afbc_format(u32 format)318 static enum vop2_afbc_format vop2_convert_afbc_format(u32 format)
319 {
320 	switch (format) {
321 	case DRM_FORMAT_XRGB8888:
322 	case DRM_FORMAT_ARGB8888:
323 	case DRM_FORMAT_XBGR8888:
324 	case DRM_FORMAT_ABGR8888:
325 		return VOP2_AFBC_FMT_ARGB8888;
326 	case DRM_FORMAT_RGB888:
327 	case DRM_FORMAT_BGR888:
328 		return VOP2_AFBC_FMT_RGB888;
329 	case DRM_FORMAT_RGB565:
330 	case DRM_FORMAT_BGR565:
331 		return VOP2_AFBC_FMT_RGB565;
332 	case DRM_FORMAT_NV12:
333 		return VOP2_AFBC_FMT_YUV420;
334 	case DRM_FORMAT_NV16:
335 		return VOP2_AFBC_FMT_YUV422;
336 	default:
337 		return VOP2_AFBC_FMT_INVALID;
338 	}
339 
340 	return VOP2_AFBC_FMT_INVALID;
341 }
342 
vop2_win_rb_swap(u32 format)343 static bool vop2_win_rb_swap(u32 format)
344 {
345 	switch (format) {
346 	case DRM_FORMAT_XBGR8888:
347 	case DRM_FORMAT_ABGR8888:
348 	case DRM_FORMAT_BGR888:
349 	case DRM_FORMAT_BGR565:
350 		return true;
351 	default:
352 		return false;
353 	}
354 }
355 
vop2_afbc_rb_swap(u32 format)356 static bool vop2_afbc_rb_swap(u32 format)
357 {
358 	switch (format) {
359 	case DRM_FORMAT_NV24:
360 		return true;
361 	default:
362 		return false;
363 	}
364 }
365 
vop2_afbc_uv_swap(u32 format)366 static bool vop2_afbc_uv_swap(u32 format)
367 {
368 	switch (format) {
369 	case DRM_FORMAT_NV12:
370 	case DRM_FORMAT_NV16:
371 		return true;
372 	default:
373 		return false;
374 	}
375 }
376 
vop2_win_uv_swap(u32 format)377 static bool vop2_win_uv_swap(u32 format)
378 {
379 	switch (format) {
380 	case DRM_FORMAT_NV12:
381 	case DRM_FORMAT_NV16:
382 	case DRM_FORMAT_NV24:
383 		return true;
384 	default:
385 		return false;
386 	}
387 }
388 
vop2_win_dither_up(u32 format)389 static bool vop2_win_dither_up(u32 format)
390 {
391 	switch (format) {
392 	case DRM_FORMAT_BGR565:
393 	case DRM_FORMAT_RGB565:
394 		return true;
395 	default:
396 		return false;
397 	}
398 }
399 
vop2_output_uv_swap(u32 bus_format,u32 output_mode)400 static bool vop2_output_uv_swap(u32 bus_format, u32 output_mode)
401 {
402 	/*
403 	 * FIXME:
404 	 *
405 	 * There is no media type for YUV444 output,
406 	 * so when out_mode is AAAA or P888, assume output is YUV444 on
407 	 * yuv format.
408 	 *
409 	 * From H/W testing, YUV444 mode need a rb swap.
410 	 */
411 	if (bus_format == MEDIA_BUS_FMT_YVYU8_1X16 ||
412 	    bus_format == MEDIA_BUS_FMT_VYUY8_1X16 ||
413 	    bus_format == MEDIA_BUS_FMT_YVYU8_2X8 ||
414 	    bus_format == MEDIA_BUS_FMT_VYUY8_2X8 ||
415 	    ((bus_format == MEDIA_BUS_FMT_YUV8_1X24 ||
416 	      bus_format == MEDIA_BUS_FMT_YUV10_1X30) &&
417 	     (output_mode == ROCKCHIP_OUT_MODE_AAAA ||
418 	      output_mode == ROCKCHIP_OUT_MODE_P888)))
419 		return true;
420 	else
421 		return false;
422 }
423 
is_yuv_output(u32 bus_format)424 static bool is_yuv_output(u32 bus_format)
425 {
426 	switch (bus_format) {
427 	case MEDIA_BUS_FMT_YUV8_1X24:
428 	case MEDIA_BUS_FMT_YUV10_1X30:
429 	case MEDIA_BUS_FMT_UYYVYY8_0_5X24:
430 	case MEDIA_BUS_FMT_UYYVYY10_0_5X30:
431 	case MEDIA_BUS_FMT_YUYV8_2X8:
432 	case MEDIA_BUS_FMT_YVYU8_2X8:
433 	case MEDIA_BUS_FMT_UYVY8_2X8:
434 	case MEDIA_BUS_FMT_VYUY8_2X8:
435 	case MEDIA_BUS_FMT_YUYV8_1X16:
436 	case MEDIA_BUS_FMT_YVYU8_1X16:
437 	case MEDIA_BUS_FMT_UYVY8_1X16:
438 	case MEDIA_BUS_FMT_VYUY8_1X16:
439 		return true;
440 	default:
441 		return false;
442 	}
443 }
444 
rockchip_afbc(struct drm_plane * plane,u64 modifier)445 static bool rockchip_afbc(struct drm_plane *plane, u64 modifier)
446 {
447 	int i;
448 
449 	if (modifier == DRM_FORMAT_MOD_LINEAR)
450 		return false;
451 
452 	for (i = 0 ; i < plane->modifier_count; i++)
453 		if (plane->modifiers[i] == modifier)
454 			return true;
455 
456 	return false;
457 }
458 
rockchip_vop2_mod_supported(struct drm_plane * plane,u32 format,u64 modifier)459 static bool rockchip_vop2_mod_supported(struct drm_plane *plane, u32 format,
460 					u64 modifier)
461 {
462 	struct vop2_win *win = to_vop2_win(plane);
463 	struct vop2 *vop2 = win->vop2;
464 
465 	if (modifier == DRM_FORMAT_MOD_INVALID)
466 		return false;
467 
468 	if (modifier == DRM_FORMAT_MOD_LINEAR)
469 		return true;
470 
471 	if (!rockchip_afbc(plane, modifier)) {
472 		drm_err(vop2->drm, "Unsupported format modifier 0x%llx\n",
473 			modifier);
474 
475 		return false;
476 	}
477 
478 	return vop2_convert_afbc_format(format) >= 0;
479 }
480 
vop2_afbc_transform_offset(struct drm_plane_state * pstate,bool afbc_half_block_en)481 static u32 vop2_afbc_transform_offset(struct drm_plane_state *pstate,
482 				      bool afbc_half_block_en)
483 {
484 	struct drm_rect *src = &pstate->src;
485 	struct drm_framebuffer *fb = pstate->fb;
486 	u32 bpp = fb->format->cpp[0] * 8;
487 	u32 vir_width = (fb->pitches[0] << 3) / bpp;
488 	u32 width = drm_rect_width(src) >> 16;
489 	u32 height = drm_rect_height(src) >> 16;
490 	u32 act_xoffset = src->x1 >> 16;
491 	u32 act_yoffset = src->y1 >> 16;
492 	u32 align16_crop = 0;
493 	u32 align64_crop = 0;
494 	u32 height_tmp;
495 	u8 tx, ty;
496 	u8 bottom_crop_line_num = 0;
497 
498 	/* 16 pixel align */
499 	if (height & 0xf)
500 		align16_crop = 16 - (height & 0xf);
501 
502 	height_tmp = height + align16_crop;
503 
504 	/* 64 pixel align */
505 	if (height_tmp & 0x3f)
506 		align64_crop = 64 - (height_tmp & 0x3f);
507 
508 	bottom_crop_line_num = align16_crop + align64_crop;
509 
510 	switch (pstate->rotation &
511 		(DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y |
512 		 DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270)) {
513 	case DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y:
514 		tx = 16 - ((act_xoffset + width) & 0xf);
515 		ty = bottom_crop_line_num - act_yoffset;
516 		break;
517 	case DRM_MODE_REFLECT_X | DRM_MODE_ROTATE_90:
518 		tx = bottom_crop_line_num - act_yoffset;
519 		ty = vir_width - width - act_xoffset;
520 		break;
521 	case DRM_MODE_REFLECT_X | DRM_MODE_ROTATE_270:
522 		tx = act_yoffset;
523 		ty = act_xoffset;
524 		break;
525 	case DRM_MODE_REFLECT_X:
526 		tx = 16 - ((act_xoffset + width) & 0xf);
527 		ty = act_yoffset;
528 		break;
529 	case DRM_MODE_REFLECT_Y:
530 		tx = act_xoffset;
531 		ty = bottom_crop_line_num - act_yoffset;
532 		break;
533 	case DRM_MODE_ROTATE_90:
534 		tx = bottom_crop_line_num - act_yoffset;
535 		ty = act_xoffset;
536 		break;
537 	case DRM_MODE_ROTATE_270:
538 		tx = act_yoffset;
539 		ty = vir_width - width - act_xoffset;
540 		break;
541 	case 0:
542 		tx = act_xoffset;
543 		ty = act_yoffset;
544 		break;
545 	}
546 
547 	if (afbc_half_block_en)
548 		ty &= 0x7f;
549 
550 #define TRANSFORM_XOFFSET GENMASK(7, 0)
551 #define TRANSFORM_YOFFSET GENMASK(23, 16)
552 	return FIELD_PREP(TRANSFORM_XOFFSET, tx) |
553 		FIELD_PREP(TRANSFORM_YOFFSET, ty);
554 }
555 
556 /*
557  * A Cluster window has 2048 x 16 line buffer, which can
558  * works at 2048 x 16(Full) or 4096 x 8 (Half) mode.
559  * for Cluster_lb_mode register:
560  * 0: half mode, for plane input width range 2048 ~ 4096
561  * 1: half mode, for cluster work at 2 * 2048 plane mode
562  * 2: half mode, for rotate_90/270 mode
563  *
564  */
vop2_get_cluster_lb_mode(struct vop2_win * win,struct drm_plane_state * pstate)565 static int vop2_get_cluster_lb_mode(struct vop2_win *win,
566 				    struct drm_plane_state *pstate)
567 {
568 	if ((pstate->rotation & DRM_MODE_ROTATE_270) ||
569 	    (pstate->rotation & DRM_MODE_ROTATE_90))
570 		return 2;
571 	else
572 		return 0;
573 }
574 
vop2_scale_factor(u32 src,u32 dst)575 static u16 vop2_scale_factor(u32 src, u32 dst)
576 {
577 	u32 fac;
578 	int shift;
579 
580 	if (src == dst)
581 		return 0;
582 
583 	if (dst < 2)
584 		return U16_MAX;
585 
586 	if (src < 2)
587 		return 0;
588 
589 	if (src > dst)
590 		shift = 12;
591 	else
592 		shift = 16;
593 
594 	src--;
595 	dst--;
596 
597 	fac = DIV_ROUND_UP(src << shift, dst) - 1;
598 
599 	if (fac > U16_MAX)
600 		return U16_MAX;
601 
602 	return fac;
603 }
604 
vop2_setup_scale(struct vop2 * vop2,const struct vop2_win * win,u32 src_w,u32 src_h,u32 dst_w,u32 dst_h,u32 pixel_format)605 static void vop2_setup_scale(struct vop2 *vop2, const struct vop2_win *win,
606 			     u32 src_w, u32 src_h, u32 dst_w,
607 			     u32 dst_h, u32 pixel_format)
608 {
609 	const struct drm_format_info *info;
610 	u16 hor_scl_mode, ver_scl_mode;
611 	u16 hscl_filter_mode, vscl_filter_mode;
612 	u8 gt2 = 0;
613 	u8 gt4 = 0;
614 	u32 val;
615 
616 	info = drm_format_info(pixel_format);
617 
618 	if (src_h >= (4 * dst_h)) {
619 		gt4 = 1;
620 		src_h >>= 2;
621 	} else if (src_h >= (2 * dst_h)) {
622 		gt2 = 1;
623 		src_h >>= 1;
624 	}
625 
626 	hor_scl_mode = scl_get_scl_mode(src_w, dst_w);
627 	ver_scl_mode = scl_get_scl_mode(src_h, dst_h);
628 
629 	if (hor_scl_mode == SCALE_UP)
630 		hscl_filter_mode = VOP2_SCALE_UP_BIC;
631 	else
632 		hscl_filter_mode = VOP2_SCALE_DOWN_BIL;
633 
634 	if (ver_scl_mode == SCALE_UP)
635 		vscl_filter_mode = VOP2_SCALE_UP_BIL;
636 	else
637 		vscl_filter_mode = VOP2_SCALE_DOWN_BIL;
638 
639 	/*
640 	 * RK3568 VOP Esmart/Smart dsp_w should be even pixel
641 	 * at scale down mode
642 	 */
643 	if (!(win->data->feature & WIN_FEATURE_AFBDC)) {
644 		if ((hor_scl_mode == SCALE_DOWN) && (dst_w & 0x1)) {
645 			drm_dbg(vop2->drm, "%s dst_w[%d] should align as 2 pixel\n",
646 				win->data->name, dst_w);
647 			dst_w++;
648 		}
649 	}
650 
651 	val = vop2_scale_factor(src_w, dst_w);
652 	vop2_win_write(win, VOP2_WIN_SCALE_YRGB_X, val);
653 	val = vop2_scale_factor(src_h, dst_h);
654 	vop2_win_write(win, VOP2_WIN_SCALE_YRGB_Y, val);
655 
656 	vop2_win_write(win, VOP2_WIN_VSD_YRGB_GT4, gt4);
657 	vop2_win_write(win, VOP2_WIN_VSD_YRGB_GT2, gt2);
658 
659 	vop2_win_write(win, VOP2_WIN_YRGB_HOR_SCL_MODE, hor_scl_mode);
660 	vop2_win_write(win, VOP2_WIN_YRGB_VER_SCL_MODE, ver_scl_mode);
661 
662 	if (vop2_cluster_window(win))
663 		return;
664 
665 	vop2_win_write(win, VOP2_WIN_YRGB_HSCL_FILTER_MODE, hscl_filter_mode);
666 	vop2_win_write(win, VOP2_WIN_YRGB_VSCL_FILTER_MODE, vscl_filter_mode);
667 
668 	if (info->is_yuv) {
669 		src_w /= info->hsub;
670 		src_h /= info->vsub;
671 
672 		gt4 = 0;
673 		gt2 = 0;
674 
675 		if (src_h >= (4 * dst_h)) {
676 			gt4 = 1;
677 			src_h >>= 2;
678 		} else if (src_h >= (2 * dst_h)) {
679 			gt2 = 1;
680 			src_h >>= 1;
681 		}
682 
683 		hor_scl_mode = scl_get_scl_mode(src_w, dst_w);
684 		ver_scl_mode = scl_get_scl_mode(src_h, dst_h);
685 
686 		val = vop2_scale_factor(src_w, dst_w);
687 		vop2_win_write(win, VOP2_WIN_SCALE_CBCR_X, val);
688 
689 		val = vop2_scale_factor(src_h, dst_h);
690 		vop2_win_write(win, VOP2_WIN_SCALE_CBCR_Y, val);
691 
692 		vop2_win_write(win, VOP2_WIN_VSD_CBCR_GT4, gt4);
693 		vop2_win_write(win, VOP2_WIN_VSD_CBCR_GT2, gt2);
694 		vop2_win_write(win, VOP2_WIN_CBCR_HOR_SCL_MODE, hor_scl_mode);
695 		vop2_win_write(win, VOP2_WIN_CBCR_VER_SCL_MODE, ver_scl_mode);
696 		vop2_win_write(win, VOP2_WIN_CBCR_HSCL_FILTER_MODE, hscl_filter_mode);
697 		vop2_win_write(win, VOP2_WIN_CBCR_VSCL_FILTER_MODE, vscl_filter_mode);
698 	}
699 }
700 
vop2_convert_csc_mode(int csc_mode)701 static int vop2_convert_csc_mode(int csc_mode)
702 {
703 	switch (csc_mode) {
704 	case V4L2_COLORSPACE_SMPTE170M:
705 	case V4L2_COLORSPACE_470_SYSTEM_M:
706 	case V4L2_COLORSPACE_470_SYSTEM_BG:
707 		return CSC_BT601L;
708 	case V4L2_COLORSPACE_REC709:
709 	case V4L2_COLORSPACE_SMPTE240M:
710 	case V4L2_COLORSPACE_DEFAULT:
711 		return CSC_BT709L;
712 	case V4L2_COLORSPACE_JPEG:
713 		return CSC_BT601F;
714 	case V4L2_COLORSPACE_BT2020:
715 		return CSC_BT2020;
716 	default:
717 		return CSC_BT709L;
718 	}
719 }
720 
721 /*
722  * colorspace path:
723  *      Input        Win csc                     Output
724  * 1. YUV(2020)  --> Y2R->2020To709->R2Y   --> YUV_OUTPUT(601/709)
725  *    RGB        --> R2Y                  __/
726  *
727  * 2. YUV(2020)  --> bypasss               --> YUV_OUTPUT(2020)
728  *    RGB        --> 709To2020->R2Y       __/
729  *
730  * 3. YUV(2020)  --> Y2R->2020To709        --> RGB_OUTPUT(709)
731  *    RGB        --> R2Y                  __/
732  *
733  * 4. YUV(601/709)-> Y2R->709To2020->R2Y   --> YUV_OUTPUT(2020)
734  *    RGB        --> 709To2020->R2Y       __/
735  *
736  * 5. YUV(601/709)-> bypass                --> YUV_OUTPUT(709)
737  *    RGB        --> R2Y                  __/
738  *
739  * 6. YUV(601/709)-> bypass                --> YUV_OUTPUT(601)
740  *    RGB        --> R2Y(601)             __/
741  *
742  * 7. YUV        --> Y2R(709)              --> RGB_OUTPUT(709)
743  *    RGB        --> bypass               __/
744  *
745  * 8. RGB        --> 709To2020->R2Y        --> YUV_OUTPUT(2020)
746  *
747  * 9. RGB        --> R2Y(709)              --> YUV_OUTPUT(709)
748  *
749  * 10. RGB       --> R2Y(601)              --> YUV_OUTPUT(601)
750  *
751  * 11. RGB       --> bypass                --> RGB_OUTPUT(709)
752  */
753 
vop2_setup_csc_mode(struct vop2_video_port * vp,struct vop2_win * win,struct drm_plane_state * pstate)754 static void vop2_setup_csc_mode(struct vop2_video_port *vp,
755 				struct vop2_win *win,
756 				struct drm_plane_state *pstate)
757 {
758 	struct rockchip_crtc_state *vcstate = to_rockchip_crtc_state(vp->crtc.state);
759 	int is_input_yuv = pstate->fb->format->is_yuv;
760 	int is_output_yuv = is_yuv_output(vcstate->bus_format);
761 	int input_csc = V4L2_COLORSPACE_DEFAULT;
762 	int output_csc = vcstate->color_space;
763 	bool r2y_en, y2r_en;
764 	int csc_mode;
765 
766 	if (is_input_yuv && !is_output_yuv) {
767 		y2r_en = true;
768 		r2y_en = false;
769 		csc_mode = vop2_convert_csc_mode(input_csc);
770 	} else if (!is_input_yuv && is_output_yuv) {
771 		y2r_en = false;
772 		r2y_en = true;
773 		csc_mode = vop2_convert_csc_mode(output_csc);
774 	} else {
775 		y2r_en = false;
776 		r2y_en = false;
777 		csc_mode = false;
778 	}
779 
780 	vop2_win_write(win, VOP2_WIN_Y2R_EN, y2r_en);
781 	vop2_win_write(win, VOP2_WIN_R2Y_EN, r2y_en);
782 	vop2_win_write(win, VOP2_WIN_CSC_MODE, csc_mode);
783 }
784 
vop2_crtc_enable_irq(struct vop2_video_port * vp,u32 irq)785 static void vop2_crtc_enable_irq(struct vop2_video_port *vp, u32 irq)
786 {
787 	struct vop2 *vop2 = vp->vop2;
788 
789 	vop2_writel(vop2, RK3568_VP_INT_CLR(vp->id), irq << 16 | irq);
790 	vop2_writel(vop2, RK3568_VP_INT_EN(vp->id), irq << 16 | irq);
791 }
792 
vop2_crtc_disable_irq(struct vop2_video_port * vp,u32 irq)793 static void vop2_crtc_disable_irq(struct vop2_video_port *vp, u32 irq)
794 {
795 	struct vop2 *vop2 = vp->vop2;
796 
797 	vop2_writel(vop2, RK3568_VP_INT_EN(vp->id), irq << 16);
798 }
799 
vop2_core_clks_prepare_enable(struct vop2 * vop2)800 static int vop2_core_clks_prepare_enable(struct vop2 *vop2)
801 {
802 	int ret;
803 
804 	ret = clk_prepare_enable(vop2->hclk);
805 	if (ret < 0) {
806 		drm_err(vop2->drm, "failed to enable hclk - %d\n", ret);
807 		return ret;
808 	}
809 
810 	ret = clk_prepare_enable(vop2->aclk);
811 	if (ret < 0) {
812 		drm_err(vop2->drm, "failed to enable aclk - %d\n", ret);
813 		goto err;
814 	}
815 
816 	return 0;
817 err:
818 	clk_disable_unprepare(vop2->hclk);
819 
820 	return ret;
821 }
822 
vop2_enable(struct vop2 * vop2)823 static void vop2_enable(struct vop2 *vop2)
824 {
825 	int ret;
826 
827 	ret = pm_runtime_resume_and_get(vop2->dev);
828 	if (ret < 0) {
829 		drm_err(vop2->drm, "failed to get pm runtime: %d\n", ret);
830 		return;
831 	}
832 
833 	ret = vop2_core_clks_prepare_enable(vop2);
834 	if (ret) {
835 		pm_runtime_put_sync(vop2->dev);
836 		return;
837 	}
838 
839 	ret = rockchip_drm_dma_attach_device(vop2->drm, vop2->dev);
840 	if (ret) {
841 		drm_err(vop2->drm, "failed to attach dma mapping, %d\n", ret);
842 		return;
843 	}
844 
845 	regcache_sync(vop2->map);
846 
847 	if (vop2->data->soc_id == 3566)
848 		vop2_writel(vop2, RK3568_OTP_WIN_EN, 1);
849 
850 	vop2_writel(vop2, RK3568_REG_CFG_DONE, RK3568_REG_CFG_DONE__GLB_CFG_DONE_EN);
851 
852 	/*
853 	 * Disable auto gating, this is a workaround to
854 	 * avoid display image shift when a window enabled.
855 	 */
856 	regmap_clear_bits(vop2->map, RK3568_SYS_AUTO_GATING_CTRL,
857 			  RK3568_SYS_AUTO_GATING_CTRL__AUTO_GATING_EN);
858 
859 	vop2_writel(vop2, RK3568_SYS0_INT_CLR,
860 		    VOP2_INT_BUS_ERRPR << 16 | VOP2_INT_BUS_ERRPR);
861 	vop2_writel(vop2, RK3568_SYS0_INT_EN,
862 		    VOP2_INT_BUS_ERRPR << 16 | VOP2_INT_BUS_ERRPR);
863 	vop2_writel(vop2, RK3568_SYS1_INT_CLR,
864 		    VOP2_INT_BUS_ERRPR << 16 | VOP2_INT_BUS_ERRPR);
865 	vop2_writel(vop2, RK3568_SYS1_INT_EN,
866 		    VOP2_INT_BUS_ERRPR << 16 | VOP2_INT_BUS_ERRPR);
867 }
868 
vop2_disable(struct vop2 * vop2)869 static void vop2_disable(struct vop2 *vop2)
870 {
871 	rockchip_drm_dma_detach_device(vop2->drm, vop2->dev);
872 
873 	pm_runtime_put_sync(vop2->dev);
874 
875 	regcache_mark_dirty(vop2->map);
876 
877 	clk_disable_unprepare(vop2->aclk);
878 	clk_disable_unprepare(vop2->hclk);
879 }
880 
vop2_crtc_atomic_disable(struct drm_crtc * crtc,struct drm_atomic_state * state)881 static void vop2_crtc_atomic_disable(struct drm_crtc *crtc,
882 				     struct drm_atomic_state *state)
883 {
884 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
885 	struct vop2 *vop2 = vp->vop2;
886 	struct drm_crtc_state *old_crtc_state;
887 	int ret;
888 
889 	vop2_lock(vop2);
890 
891 	old_crtc_state = drm_atomic_get_old_crtc_state(state, crtc);
892 	drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, false);
893 
894 	drm_crtc_vblank_off(crtc);
895 
896 	/*
897 	 * Vop standby will take effect at end of current frame,
898 	 * if dsp hold valid irq happen, it means standby complete.
899 	 *
900 	 * we must wait standby complete when we want to disable aclk,
901 	 * if not, memory bus maybe dead.
902 	 */
903 	reinit_completion(&vp->dsp_hold_completion);
904 
905 	vop2_crtc_enable_irq(vp, VP_INT_DSP_HOLD_VALID);
906 
907 	vop2_vp_write(vp, RK3568_VP_DSP_CTRL, RK3568_VP_DSP_CTRL__STANDBY);
908 
909 	ret = wait_for_completion_timeout(&vp->dsp_hold_completion,
910 					  msecs_to_jiffies(50));
911 	if (!ret)
912 		drm_info(vop2->drm, "wait for vp%d dsp_hold timeout\n", vp->id);
913 
914 	vop2_crtc_disable_irq(vp, VP_INT_DSP_HOLD_VALID);
915 
916 	clk_disable_unprepare(vp->dclk);
917 
918 	vop2->enable_count--;
919 
920 	if (!vop2->enable_count)
921 		vop2_disable(vop2);
922 
923 	vop2_unlock(vop2);
924 
925 	if (crtc->state->event && !crtc->state->active) {
926 		spin_lock_irq(&crtc->dev->event_lock);
927 		drm_crtc_send_vblank_event(crtc, crtc->state->event);
928 		spin_unlock_irq(&crtc->dev->event_lock);
929 
930 		crtc->state->event = NULL;
931 	}
932 }
933 
vop2_plane_atomic_check(struct drm_plane * plane,struct drm_atomic_state * astate)934 static int vop2_plane_atomic_check(struct drm_plane *plane,
935 				   struct drm_atomic_state *astate)
936 {
937 	struct drm_plane_state *pstate = drm_atomic_get_new_plane_state(astate, plane);
938 	struct drm_framebuffer *fb = pstate->fb;
939 	struct drm_crtc *crtc = pstate->crtc;
940 	struct drm_crtc_state *cstate;
941 	struct vop2_video_port *vp;
942 	struct vop2 *vop2;
943 	const struct vop2_data *vop2_data;
944 	struct drm_rect *dest = &pstate->dst;
945 	struct drm_rect *src = &pstate->src;
946 	int min_scale = FRAC_16_16(1, 8);
947 	int max_scale = FRAC_16_16(8, 1);
948 	int format;
949 	int ret;
950 
951 	if (!crtc)
952 		return 0;
953 
954 	vp = to_vop2_video_port(crtc);
955 	vop2 = vp->vop2;
956 	vop2_data = vop2->data;
957 
958 	cstate = drm_atomic_get_existing_crtc_state(pstate->state, crtc);
959 	if (WARN_ON(!cstate))
960 		return -EINVAL;
961 
962 	ret = drm_atomic_helper_check_plane_state(pstate, cstate,
963 						  min_scale, max_scale,
964 						  true, true);
965 	if (ret)
966 		return ret;
967 
968 	if (!pstate->visible)
969 		return 0;
970 
971 	format = vop2_convert_format(fb->format->format);
972 	if (format < 0)
973 		return format;
974 
975 	if (drm_rect_width(src) >> 16 < 4 || drm_rect_height(src) >> 16 < 4 ||
976 	    drm_rect_width(dest) < 4 || drm_rect_width(dest) < 4) {
977 		drm_err(vop2->drm, "Invalid size: %dx%d->%dx%d, min size is 4x4\n",
978 			drm_rect_width(src) >> 16, drm_rect_height(src) >> 16,
979 			drm_rect_width(dest), drm_rect_height(dest));
980 		pstate->visible = false;
981 		return 0;
982 	}
983 
984 	if (drm_rect_width(src) >> 16 > vop2_data->max_input.width ||
985 	    drm_rect_height(src) >> 16 > vop2_data->max_input.height) {
986 		drm_err(vop2->drm, "Invalid source: %dx%d. max input: %dx%d\n",
987 			drm_rect_width(src) >> 16,
988 			drm_rect_height(src) >> 16,
989 			vop2_data->max_input.width,
990 			vop2_data->max_input.height);
991 		return -EINVAL;
992 	}
993 
994 	/*
995 	 * Src.x1 can be odd when do clip, but yuv plane start point
996 	 * need align with 2 pixel.
997 	 */
998 	if (fb->format->is_yuv && ((pstate->src.x1 >> 16) % 2)) {
999 		drm_err(vop2->drm, "Invalid Source: Yuv format not support odd xpos\n");
1000 		return -EINVAL;
1001 	}
1002 
1003 	return 0;
1004 }
1005 
vop2_plane_atomic_disable(struct drm_plane * plane,struct drm_atomic_state * state)1006 static void vop2_plane_atomic_disable(struct drm_plane *plane,
1007 				      struct drm_atomic_state *state)
1008 {
1009 	struct drm_plane_state *old_pstate = NULL;
1010 	struct vop2_win *win = to_vop2_win(plane);
1011 	struct vop2 *vop2 = win->vop2;
1012 
1013 	drm_dbg(vop2->drm, "%s disable\n", win->data->name);
1014 
1015 	if (state)
1016 		old_pstate = drm_atomic_get_old_plane_state(state, plane);
1017 	if (old_pstate && !old_pstate->crtc)
1018 		return;
1019 
1020 	vop2_win_disable(win);
1021 	vop2_win_write(win, VOP2_WIN_YUV_CLIP, 0);
1022 }
1023 
1024 /*
1025  * The color key is 10 bit, so all format should
1026  * convert to 10 bit here.
1027  */
vop2_plane_setup_color_key(struct drm_plane * plane,u32 color_key)1028 static void vop2_plane_setup_color_key(struct drm_plane *plane, u32 color_key)
1029 {
1030 	struct drm_plane_state *pstate = plane->state;
1031 	struct drm_framebuffer *fb = pstate->fb;
1032 	struct vop2_win *win = to_vop2_win(plane);
1033 	u32 color_key_en = 0;
1034 	u32 r = 0;
1035 	u32 g = 0;
1036 	u32 b = 0;
1037 
1038 	if (!(color_key & VOP2_COLOR_KEY_MASK) || fb->format->is_yuv) {
1039 		vop2_win_write(win, VOP2_WIN_COLOR_KEY_EN, 0);
1040 		return;
1041 	}
1042 
1043 	switch (fb->format->format) {
1044 	case DRM_FORMAT_RGB565:
1045 	case DRM_FORMAT_BGR565:
1046 		r = (color_key & 0xf800) >> 11;
1047 		g = (color_key & 0x7e0) >> 5;
1048 		b = (color_key & 0x1f);
1049 		r <<= 5;
1050 		g <<= 4;
1051 		b <<= 5;
1052 		color_key_en = 1;
1053 		break;
1054 	case DRM_FORMAT_XRGB8888:
1055 	case DRM_FORMAT_ARGB8888:
1056 	case DRM_FORMAT_XBGR8888:
1057 	case DRM_FORMAT_ABGR8888:
1058 	case DRM_FORMAT_RGB888:
1059 	case DRM_FORMAT_BGR888:
1060 		r = (color_key & 0xff0000) >> 16;
1061 		g = (color_key & 0xff00) >> 8;
1062 		b = (color_key & 0xff);
1063 		r <<= 2;
1064 		g <<= 2;
1065 		b <<= 2;
1066 		color_key_en = 1;
1067 		break;
1068 	}
1069 
1070 	vop2_win_write(win, VOP2_WIN_COLOR_KEY_EN, color_key_en);
1071 	vop2_win_write(win, VOP2_WIN_COLOR_KEY, (r << 20) | (g << 10) | b);
1072 }
1073 
vop2_plane_atomic_update(struct drm_plane * plane,struct drm_atomic_state * state)1074 static void vop2_plane_atomic_update(struct drm_plane *plane,
1075 				     struct drm_atomic_state *state)
1076 {
1077 	struct drm_plane_state *pstate = plane->state;
1078 	struct drm_crtc *crtc = pstate->crtc;
1079 	struct vop2_win *win = to_vop2_win(plane);
1080 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
1081 	struct drm_display_mode *adjusted_mode = &crtc->state->adjusted_mode;
1082 	struct vop2 *vop2 = win->vop2;
1083 	struct drm_framebuffer *fb = pstate->fb;
1084 	u32 bpp = fb->format->cpp[0] * 8;
1085 	u32 actual_w, actual_h, dsp_w, dsp_h;
1086 	u32 act_info, dsp_info;
1087 	u32 format;
1088 	u32 afbc_format;
1089 	u32 rb_swap;
1090 	u32 uv_swap;
1091 	struct drm_rect *src = &pstate->src;
1092 	struct drm_rect *dest = &pstate->dst;
1093 	u32 afbc_tile_num;
1094 	u32 transform_offset;
1095 	bool dither_up;
1096 	bool xmirror = pstate->rotation & DRM_MODE_REFLECT_X ? true : false;
1097 	bool ymirror = pstate->rotation & DRM_MODE_REFLECT_Y ? true : false;
1098 	bool rotate_270 = pstate->rotation & DRM_MODE_ROTATE_270;
1099 	bool rotate_90 = pstate->rotation & DRM_MODE_ROTATE_90;
1100 	struct rockchip_gem_object *rk_obj;
1101 	unsigned long offset;
1102 	bool afbc_en;
1103 	dma_addr_t yrgb_mst;
1104 	dma_addr_t uv_mst;
1105 
1106 	/*
1107 	 * can't update plane when vop2 is disabled.
1108 	 */
1109 	if (WARN_ON(!crtc))
1110 		return;
1111 
1112 	if (!pstate->visible) {
1113 		vop2_plane_atomic_disable(plane, state);
1114 		return;
1115 	}
1116 
1117 	afbc_en = rockchip_afbc(plane, fb->modifier);
1118 
1119 	offset = (src->x1 >> 16) * fb->format->cpp[0];
1120 
1121 	/*
1122 	 * AFBC HDR_PTR must set to the zero offset of the framebuffer.
1123 	 */
1124 	if (afbc_en)
1125 		offset = 0;
1126 	else if (pstate->rotation & DRM_MODE_REFLECT_Y)
1127 		offset += ((src->y2 >> 16) - 1) * fb->pitches[0];
1128 	else
1129 		offset += (src->y1 >> 16) * fb->pitches[0];
1130 
1131 	rk_obj = to_rockchip_obj(fb->obj[0]);
1132 
1133 	yrgb_mst = rk_obj->dma_addr + offset + fb->offsets[0];
1134 	if (fb->format->is_yuv) {
1135 		int hsub = fb->format->hsub;
1136 		int vsub = fb->format->vsub;
1137 
1138 		offset = (src->x1 >> 16) * fb->format->cpp[1] / hsub;
1139 		offset += (src->y1 >> 16) * fb->pitches[1] / vsub;
1140 
1141 		if ((pstate->rotation & DRM_MODE_REFLECT_Y) && !afbc_en)
1142 			offset += fb->pitches[1] * ((pstate->src_h >> 16) - 2) / vsub;
1143 
1144 		rk_obj = to_rockchip_obj(fb->obj[0]);
1145 		uv_mst = rk_obj->dma_addr + offset + fb->offsets[1];
1146 	}
1147 
1148 	actual_w = drm_rect_width(src) >> 16;
1149 	actual_h = drm_rect_height(src) >> 16;
1150 	dsp_w = drm_rect_width(dest);
1151 
1152 	if (dest->x1 + dsp_w > adjusted_mode->hdisplay) {
1153 		drm_err(vop2->drm, "vp%d %s dest->x1[%d] + dsp_w[%d] exceed mode hdisplay[%d]\n",
1154 			vp->id, win->data->name, dest->x1, dsp_w, adjusted_mode->hdisplay);
1155 		dsp_w = adjusted_mode->hdisplay - dest->x1;
1156 		if (dsp_w < 4)
1157 			dsp_w = 4;
1158 		actual_w = dsp_w * actual_w / drm_rect_width(dest);
1159 	}
1160 
1161 	dsp_h = drm_rect_height(dest);
1162 
1163 	if (dest->y1 + dsp_h > adjusted_mode->vdisplay) {
1164 		drm_err(vop2->drm, "vp%d %s dest->y1[%d] + dsp_h[%d] exceed mode vdisplay[%d]\n",
1165 			vp->id, win->data->name, dest->y1, dsp_h, adjusted_mode->vdisplay);
1166 		dsp_h = adjusted_mode->vdisplay - dest->y1;
1167 		if (dsp_h < 4)
1168 			dsp_h = 4;
1169 		actual_h = dsp_h * actual_h / drm_rect_height(dest);
1170 	}
1171 
1172 	/*
1173 	 * This is workaround solution for IC design:
1174 	 * esmart can't support scale down when actual_w % 16 == 1.
1175 	 */
1176 	if (!(win->data->feature & WIN_FEATURE_AFBDC)) {
1177 		if (actual_w > dsp_w && (actual_w & 0xf) == 1) {
1178 			drm_err(vop2->drm, "vp%d %s act_w[%d] MODE 16 == 1\n",
1179 				vp->id, win->data->name, actual_w);
1180 			actual_w -= 1;
1181 		}
1182 	}
1183 
1184 	if (afbc_en && actual_w % 4) {
1185 		drm_err(vop2->drm, "vp%d %s actual_w[%d] not 4 pixel aligned\n",
1186 			vp->id, win->data->name, actual_w);
1187 		actual_w = ALIGN_DOWN(actual_w, 4);
1188 	}
1189 
1190 	act_info = (actual_h - 1) << 16 | ((actual_w - 1) & 0xffff);
1191 	dsp_info = (dsp_h - 1) << 16 | ((dsp_w - 1) & 0xffff);
1192 
1193 	format = vop2_convert_format(fb->format->format);
1194 
1195 	drm_dbg(vop2->drm, "vp%d update %s[%dx%d->%dx%d@%dx%d] fmt[%p4cc_%s] addr[%pad]\n",
1196 		vp->id, win->data->name, actual_w, actual_h, dsp_w, dsp_h,
1197 		dest->x1, dest->y1,
1198 		&fb->format->format,
1199 		afbc_en ? "AFBC" : "", &yrgb_mst);
1200 
1201 	if (afbc_en) {
1202 		u32 stride;
1203 
1204 		/* the afbc superblock is 16 x 16 */
1205 		afbc_format = vop2_convert_afbc_format(fb->format->format);
1206 
1207 		/* Enable color transform for YTR */
1208 		if (fb->modifier & AFBC_FORMAT_MOD_YTR)
1209 			afbc_format |= (1 << 4);
1210 
1211 		afbc_tile_num = ALIGN(actual_w, 16) >> 4;
1212 
1213 		/*
1214 		 * AFBC pic_vir_width is count by pixel, this is different
1215 		 * with WIN_VIR_STRIDE.
1216 		 */
1217 		stride = (fb->pitches[0] << 3) / bpp;
1218 		if ((stride & 0x3f) && (xmirror || rotate_90 || rotate_270))
1219 			drm_err(vop2->drm, "vp%d %s stride[%d] not 64 pixel aligned\n",
1220 				vp->id, win->data->name, stride);
1221 
1222 		rb_swap = vop2_afbc_rb_swap(fb->format->format);
1223 		uv_swap = vop2_afbc_uv_swap(fb->format->format);
1224 		/*
1225 		 * This is a workaround for crazy IC design, Cluster
1226 		 * and Esmart/Smart use different format configuration map:
1227 		 * YUV420_10BIT: 0x10 for Cluster, 0x14 for Esmart/Smart.
1228 		 *
1229 		 * This is one thing we can make the convert simple:
1230 		 * AFBCD decode all the YUV data to YUV444. So we just
1231 		 * set all the yuv 10 bit to YUV444_10.
1232 		 */
1233 		if (fb->format->is_yuv && bpp == 10)
1234 			format = VOP2_CLUSTER_YUV444_10;
1235 
1236 		if (vop2_cluster_window(win))
1237 			vop2_win_write(win, VOP2_WIN_AFBC_ENABLE, 1);
1238 		vop2_win_write(win, VOP2_WIN_AFBC_FORMAT, afbc_format);
1239 		vop2_win_write(win, VOP2_WIN_AFBC_RB_SWAP, rb_swap);
1240 		vop2_win_write(win, VOP2_WIN_AFBC_UV_SWAP, uv_swap);
1241 		vop2_win_write(win, VOP2_WIN_AFBC_AUTO_GATING_EN, 0);
1242 		vop2_win_write(win, VOP2_WIN_AFBC_BLOCK_SPLIT_EN, 0);
1243 		if (pstate->rotation & (DRM_MODE_ROTATE_270 | DRM_MODE_ROTATE_90)) {
1244 			vop2_win_write(win, VOP2_WIN_AFBC_HALF_BLOCK_EN, 0);
1245 			transform_offset = vop2_afbc_transform_offset(pstate, false);
1246 		} else {
1247 			vop2_win_write(win, VOP2_WIN_AFBC_HALF_BLOCK_EN, 1);
1248 			transform_offset = vop2_afbc_transform_offset(pstate, true);
1249 		}
1250 		vop2_win_write(win, VOP2_WIN_AFBC_HDR_PTR, yrgb_mst);
1251 		vop2_win_write(win, VOP2_WIN_AFBC_PIC_SIZE, act_info);
1252 		vop2_win_write(win, VOP2_WIN_AFBC_TRANSFORM_OFFSET, transform_offset);
1253 		vop2_win_write(win, VOP2_WIN_AFBC_PIC_OFFSET, ((src->x1 >> 16) | src->y1));
1254 		vop2_win_write(win, VOP2_WIN_AFBC_DSP_OFFSET, (dest->x1 | (dest->y1 << 16)));
1255 		vop2_win_write(win, VOP2_WIN_AFBC_PIC_VIR_WIDTH, stride);
1256 		vop2_win_write(win, VOP2_WIN_AFBC_TILE_NUM, afbc_tile_num);
1257 		vop2_win_write(win, VOP2_WIN_XMIRROR, xmirror);
1258 		vop2_win_write(win, VOP2_WIN_AFBC_ROTATE_270, rotate_270);
1259 		vop2_win_write(win, VOP2_WIN_AFBC_ROTATE_90, rotate_90);
1260 	} else {
1261 		vop2_win_write(win, VOP2_WIN_YRGB_VIR, DIV_ROUND_UP(fb->pitches[0], 4));
1262 	}
1263 
1264 	vop2_win_write(win, VOP2_WIN_YMIRROR, ymirror);
1265 
1266 	if (rotate_90 || rotate_270) {
1267 		act_info = swahw32(act_info);
1268 		actual_w = drm_rect_height(src) >> 16;
1269 		actual_h = drm_rect_width(src) >> 16;
1270 	}
1271 
1272 	vop2_win_write(win, VOP2_WIN_FORMAT, format);
1273 	vop2_win_write(win, VOP2_WIN_YRGB_MST, yrgb_mst);
1274 
1275 	rb_swap = vop2_win_rb_swap(fb->format->format);
1276 	vop2_win_write(win, VOP2_WIN_RB_SWAP, rb_swap);
1277 	if (!vop2_cluster_window(win)) {
1278 		uv_swap = vop2_win_uv_swap(fb->format->format);
1279 		vop2_win_write(win, VOP2_WIN_UV_SWAP, uv_swap);
1280 	}
1281 
1282 	if (fb->format->is_yuv) {
1283 		vop2_win_write(win, VOP2_WIN_UV_VIR, DIV_ROUND_UP(fb->pitches[1], 4));
1284 		vop2_win_write(win, VOP2_WIN_UV_MST, uv_mst);
1285 	}
1286 
1287 	vop2_setup_scale(vop2, win, actual_w, actual_h, dsp_w, dsp_h, fb->format->format);
1288 	if (!vop2_cluster_window(win))
1289 		vop2_plane_setup_color_key(plane, 0);
1290 	vop2_win_write(win, VOP2_WIN_ACT_INFO, act_info);
1291 	vop2_win_write(win, VOP2_WIN_DSP_INFO, dsp_info);
1292 	vop2_win_write(win, VOP2_WIN_DSP_ST, dest->y1 << 16 | (dest->x1 & 0xffff));
1293 
1294 	vop2_setup_csc_mode(vp, win, pstate);
1295 
1296 	dither_up = vop2_win_dither_up(fb->format->format);
1297 	vop2_win_write(win, VOP2_WIN_DITHER_UP, dither_up);
1298 
1299 	vop2_win_write(win, VOP2_WIN_ENABLE, 1);
1300 
1301 	if (vop2_cluster_window(win)) {
1302 		int lb_mode = vop2_get_cluster_lb_mode(win, pstate);
1303 
1304 		vop2_win_write(win, VOP2_WIN_CLUSTER_LB_MODE, lb_mode);
1305 		vop2_win_write(win, VOP2_WIN_CLUSTER_ENABLE, 1);
1306 	}
1307 }
1308 
1309 static const struct drm_plane_helper_funcs vop2_plane_helper_funcs = {
1310 	.atomic_check = vop2_plane_atomic_check,
1311 	.atomic_update = vop2_plane_atomic_update,
1312 	.atomic_disable = vop2_plane_atomic_disable,
1313 };
1314 
1315 static const struct drm_plane_funcs vop2_plane_funcs = {
1316 	.update_plane	= drm_atomic_helper_update_plane,
1317 	.disable_plane	= drm_atomic_helper_disable_plane,
1318 	.destroy = drm_plane_cleanup,
1319 	.reset = drm_atomic_helper_plane_reset,
1320 	.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
1321 	.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
1322 	.format_mod_supported = rockchip_vop2_mod_supported,
1323 };
1324 
vop2_crtc_enable_vblank(struct drm_crtc * crtc)1325 static int vop2_crtc_enable_vblank(struct drm_crtc *crtc)
1326 {
1327 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
1328 
1329 	vop2_crtc_enable_irq(vp, VP_INT_FS_FIELD);
1330 
1331 	return 0;
1332 }
1333 
vop2_crtc_disable_vblank(struct drm_crtc * crtc)1334 static void vop2_crtc_disable_vblank(struct drm_crtc *crtc)
1335 {
1336 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
1337 
1338 	vop2_crtc_disable_irq(vp, VP_INT_FS_FIELD);
1339 }
1340 
vop2_crtc_mode_fixup(struct drm_crtc * crtc,const struct drm_display_mode * mode,struct drm_display_mode * adj_mode)1341 static bool vop2_crtc_mode_fixup(struct drm_crtc *crtc,
1342 				 const struct drm_display_mode *mode,
1343 				 struct drm_display_mode *adj_mode)
1344 {
1345 	drm_mode_set_crtcinfo(adj_mode, CRTC_INTERLACE_HALVE_V |
1346 					CRTC_STEREO_DOUBLE);
1347 
1348 	return true;
1349 }
1350 
vop2_dither_setup(struct drm_crtc * crtc,u32 * dsp_ctrl)1351 static void vop2_dither_setup(struct drm_crtc *crtc, u32 *dsp_ctrl)
1352 {
1353 	struct rockchip_crtc_state *vcstate = to_rockchip_crtc_state(crtc->state);
1354 
1355 	switch (vcstate->bus_format) {
1356 	case MEDIA_BUS_FMT_RGB565_1X16:
1357 		*dsp_ctrl |= RK3568_VP_DSP_CTRL__DITHER_DOWN_EN;
1358 		break;
1359 	case MEDIA_BUS_FMT_RGB666_1X18:
1360 	case MEDIA_BUS_FMT_RGB666_1X24_CPADHI:
1361 	case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG:
1362 		*dsp_ctrl |= RK3568_VP_DSP_CTRL__DITHER_DOWN_EN;
1363 		*dsp_ctrl |= RGB888_TO_RGB666;
1364 		break;
1365 	case MEDIA_BUS_FMT_YUV8_1X24:
1366 	case MEDIA_BUS_FMT_UYYVYY8_0_5X24:
1367 		*dsp_ctrl |= RK3568_VP_DSP_CTRL__PRE_DITHER_DOWN_EN;
1368 		break;
1369 	default:
1370 		break;
1371 	}
1372 
1373 	if (vcstate->output_mode != ROCKCHIP_OUT_MODE_AAAA)
1374 		*dsp_ctrl |= RK3568_VP_DSP_CTRL__PRE_DITHER_DOWN_EN;
1375 
1376 	*dsp_ctrl |= FIELD_PREP(RK3568_VP_DSP_CTRL__DITHER_DOWN_SEL,
1377 				DITHER_DOWN_ALLEGRO);
1378 }
1379 
vop2_post_config(struct drm_crtc * crtc)1380 static void vop2_post_config(struct drm_crtc *crtc)
1381 {
1382 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
1383 	struct drm_display_mode *mode = &crtc->state->adjusted_mode;
1384 	u16 vtotal = mode->crtc_vtotal;
1385 	u16 hdisplay = mode->crtc_hdisplay;
1386 	u16 hact_st = mode->crtc_htotal - mode->crtc_hsync_start;
1387 	u16 vdisplay = mode->crtc_vdisplay;
1388 	u16 vact_st = mode->crtc_vtotal - mode->crtc_vsync_start;
1389 	u32 left_margin = 100, right_margin = 100;
1390 	u32 top_margin = 100, bottom_margin = 100;
1391 	u16 hsize = hdisplay * (left_margin + right_margin) / 200;
1392 	u16 vsize = vdisplay * (top_margin + bottom_margin) / 200;
1393 	u16 hact_end, vact_end;
1394 	u32 val;
1395 
1396 	vsize = rounddown(vsize, 2);
1397 	hsize = rounddown(hsize, 2);
1398 	hact_st += hdisplay * (100 - left_margin) / 200;
1399 	hact_end = hact_st + hsize;
1400 	val = hact_st << 16;
1401 	val |= hact_end;
1402 	vop2_vp_write(vp, RK3568_VP_POST_DSP_HACT_INFO, val);
1403 	vact_st += vdisplay * (100 - top_margin) / 200;
1404 	vact_end = vact_st + vsize;
1405 	val = vact_st << 16;
1406 	val |= vact_end;
1407 	vop2_vp_write(vp, RK3568_VP_POST_DSP_VACT_INFO, val);
1408 	val = scl_cal_scale2(vdisplay, vsize) << 16;
1409 	val |= scl_cal_scale2(hdisplay, hsize);
1410 	vop2_vp_write(vp, RK3568_VP_POST_SCL_FACTOR_YRGB, val);
1411 
1412 	val = 0;
1413 	if (hdisplay != hsize)
1414 		val |= RK3568_VP_POST_SCL_CTRL__HSCALEDOWN;
1415 	if (vdisplay != vsize)
1416 		val |= RK3568_VP_POST_SCL_CTRL__VSCALEDOWN;
1417 	vop2_vp_write(vp, RK3568_VP_POST_SCL_CTRL, val);
1418 
1419 	if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
1420 		u16 vact_st_f1 = vtotal + vact_st + 1;
1421 		u16 vact_end_f1 = vact_st_f1 + vsize;
1422 
1423 		val = vact_st_f1 << 16 | vact_end_f1;
1424 		vop2_vp_write(vp, RK3568_VP_POST_DSP_VACT_INFO_F1, val);
1425 	}
1426 
1427 	vop2_vp_write(vp, RK3568_VP_DSP_BG, 0);
1428 }
1429 
rk3568_set_intf_mux(struct vop2_video_port * vp,int id,u32 polflags)1430 static void rk3568_set_intf_mux(struct vop2_video_port *vp, int id,
1431 				u32 polflags)
1432 {
1433 	struct vop2 *vop2 = vp->vop2;
1434 	u32 die, dip;
1435 
1436 	die = vop2_readl(vop2, RK3568_DSP_IF_EN);
1437 	dip = vop2_readl(vop2, RK3568_DSP_IF_POL);
1438 
1439 	switch (id) {
1440 	case ROCKCHIP_VOP2_EP_RGB0:
1441 		die &= ~RK3568_SYS_DSP_INFACE_EN_RGB_MUX;
1442 		die |= RK3568_SYS_DSP_INFACE_EN_RGB |
1443 			   FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_RGB_MUX, vp->id);
1444 		dip &= ~RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL;
1445 		dip |= FIELD_PREP(RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL, polflags);
1446 		if (polflags & POLFLAG_DCLK_INV)
1447 			regmap_write(vop2->grf, RK3568_GRF_VO_CON1, BIT(3 + 16) | BIT(3));
1448 		else
1449 			regmap_write(vop2->grf, RK3568_GRF_VO_CON1, BIT(3 + 16));
1450 		break;
1451 	case ROCKCHIP_VOP2_EP_HDMI0:
1452 		die &= ~RK3568_SYS_DSP_INFACE_EN_HDMI_MUX;
1453 		die |= RK3568_SYS_DSP_INFACE_EN_HDMI |
1454 			   FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_HDMI_MUX, vp->id);
1455 		dip &= ~RK3568_DSP_IF_POL__HDMI_PIN_POL;
1456 		dip |= FIELD_PREP(RK3568_DSP_IF_POL__HDMI_PIN_POL, polflags);
1457 		break;
1458 	case ROCKCHIP_VOP2_EP_EDP0:
1459 		die &= ~RK3568_SYS_DSP_INFACE_EN_EDP_MUX;
1460 		die |= RK3568_SYS_DSP_INFACE_EN_EDP |
1461 			   FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_EDP_MUX, vp->id);
1462 		dip &= ~RK3568_DSP_IF_POL__EDP_PIN_POL;
1463 		dip |= FIELD_PREP(RK3568_DSP_IF_POL__EDP_PIN_POL, polflags);
1464 		break;
1465 	case ROCKCHIP_VOP2_EP_MIPI0:
1466 		die &= ~RK3568_SYS_DSP_INFACE_EN_MIPI0_MUX;
1467 		die |= RK3568_SYS_DSP_INFACE_EN_MIPI0 |
1468 			   FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_MIPI0_MUX, vp->id);
1469 		dip &= ~RK3568_DSP_IF_POL__MIPI_PIN_POL;
1470 		dip |= FIELD_PREP(RK3568_DSP_IF_POL__MIPI_PIN_POL, polflags);
1471 		break;
1472 	case ROCKCHIP_VOP2_EP_MIPI1:
1473 		die &= ~RK3568_SYS_DSP_INFACE_EN_MIPI1_MUX;
1474 		die |= RK3568_SYS_DSP_INFACE_EN_MIPI1 |
1475 			   FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_MIPI1_MUX, vp->id);
1476 		dip &= ~RK3568_DSP_IF_POL__MIPI_PIN_POL;
1477 		dip |= FIELD_PREP(RK3568_DSP_IF_POL__MIPI_PIN_POL, polflags);
1478 		break;
1479 	case ROCKCHIP_VOP2_EP_LVDS0:
1480 		die &= ~RK3568_SYS_DSP_INFACE_EN_LVDS0_MUX;
1481 		die |= RK3568_SYS_DSP_INFACE_EN_LVDS0 |
1482 			   FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_LVDS0_MUX, vp->id);
1483 		dip &= ~RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL;
1484 		dip |= FIELD_PREP(RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL, polflags);
1485 		break;
1486 	case ROCKCHIP_VOP2_EP_LVDS1:
1487 		die &= ~RK3568_SYS_DSP_INFACE_EN_LVDS1_MUX;
1488 		die |= RK3568_SYS_DSP_INFACE_EN_LVDS1 |
1489 			   FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_LVDS1_MUX, vp->id);
1490 		dip &= ~RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL;
1491 		dip |= FIELD_PREP(RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL, polflags);
1492 		break;
1493 	default:
1494 		drm_err(vop2->drm, "Invalid interface id %d on vp%d\n", id, vp->id);
1495 		return;
1496 	}
1497 
1498 	dip |= RK3568_DSP_IF_POL__CFG_DONE_IMD;
1499 
1500 	vop2_writel(vop2, RK3568_DSP_IF_EN, die);
1501 	vop2_writel(vop2, RK3568_DSP_IF_POL, dip);
1502 }
1503 
us_to_vertical_line(struct drm_display_mode * mode,int us)1504 static int us_to_vertical_line(struct drm_display_mode *mode, int us)
1505 {
1506 	return us * mode->clock / mode->htotal / 1000;
1507 }
1508 
vop2_crtc_atomic_enable(struct drm_crtc * crtc,struct drm_atomic_state * state)1509 static void vop2_crtc_atomic_enable(struct drm_crtc *crtc,
1510 				    struct drm_atomic_state *state)
1511 {
1512 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
1513 	struct vop2 *vop2 = vp->vop2;
1514 	const struct vop2_data *vop2_data = vop2->data;
1515 	const struct vop2_video_port_data *vp_data = &vop2_data->vp[vp->id];
1516 	struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
1517 	struct rockchip_crtc_state *vcstate = to_rockchip_crtc_state(crtc->state);
1518 	struct drm_display_mode *mode = &crtc->state->adjusted_mode;
1519 	unsigned long clock = mode->crtc_clock * 1000;
1520 	u16 hsync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
1521 	u16 hdisplay = mode->crtc_hdisplay;
1522 	u16 htotal = mode->crtc_htotal;
1523 	u16 hact_st = mode->crtc_htotal - mode->crtc_hsync_start;
1524 	u16 hact_end = hact_st + hdisplay;
1525 	u16 vdisplay = mode->crtc_vdisplay;
1526 	u16 vtotal = mode->crtc_vtotal;
1527 	u16 vsync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
1528 	u16 vact_st = mode->crtc_vtotal - mode->crtc_vsync_start;
1529 	u16 vact_end = vact_st + vdisplay;
1530 	u8 out_mode;
1531 	u32 dsp_ctrl = 0;
1532 	int act_end;
1533 	u32 val, polflags;
1534 	int ret;
1535 	struct drm_encoder *encoder;
1536 
1537 	drm_dbg(vop2->drm, "Update mode to %dx%d%s%d, type: %d for vp%d\n",
1538 		hdisplay, vdisplay, mode->flags & DRM_MODE_FLAG_INTERLACE ? "i" : "p",
1539 		drm_mode_vrefresh(mode), vcstate->output_type, vp->id);
1540 
1541 	vop2_lock(vop2);
1542 
1543 	ret = clk_prepare_enable(vp->dclk);
1544 	if (ret < 0) {
1545 		drm_err(vop2->drm, "failed to enable dclk for video port%d - %d\n",
1546 			vp->id, ret);
1547 		vop2_unlock(vop2);
1548 		return;
1549 	}
1550 
1551 	if (!vop2->enable_count)
1552 		vop2_enable(vop2);
1553 
1554 	vop2->enable_count++;
1555 
1556 	vop2_crtc_enable_irq(vp, VP_INT_POST_BUF_EMPTY);
1557 
1558 	polflags = 0;
1559 	if (vcstate->bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE)
1560 		polflags |= POLFLAG_DCLK_INV;
1561 	if (mode->flags & DRM_MODE_FLAG_PHSYNC)
1562 		polflags |= BIT(HSYNC_POSITIVE);
1563 	if (mode->flags & DRM_MODE_FLAG_PVSYNC)
1564 		polflags |= BIT(VSYNC_POSITIVE);
1565 
1566 	drm_for_each_encoder_mask(encoder, crtc->dev, crtc_state->encoder_mask) {
1567 		struct rockchip_encoder *rkencoder = to_rockchip_encoder(encoder);
1568 
1569 		rk3568_set_intf_mux(vp, rkencoder->crtc_endpoint_id, polflags);
1570 	}
1571 
1572 	if (vcstate->output_mode == ROCKCHIP_OUT_MODE_AAAA &&
1573 	    !(vp_data->feature & VOP_FEATURE_OUTPUT_10BIT))
1574 		out_mode = ROCKCHIP_OUT_MODE_P888;
1575 	else
1576 		out_mode = vcstate->output_mode;
1577 
1578 	dsp_ctrl |= FIELD_PREP(RK3568_VP_DSP_CTRL__OUT_MODE, out_mode);
1579 
1580 	if (vop2_output_uv_swap(vcstate->bus_format, vcstate->output_mode))
1581 		dsp_ctrl |= RK3568_VP_DSP_CTRL__DSP_RB_SWAP;
1582 
1583 	if (is_yuv_output(vcstate->bus_format))
1584 		dsp_ctrl |= RK3568_VP_DSP_CTRL__POST_DSP_OUT_R2Y;
1585 
1586 	vop2_dither_setup(crtc, &dsp_ctrl);
1587 
1588 	vop2_vp_write(vp, RK3568_VP_DSP_HTOTAL_HS_END, (htotal << 16) | hsync_len);
1589 	val = hact_st << 16;
1590 	val |= hact_end;
1591 	vop2_vp_write(vp, RK3568_VP_DSP_HACT_ST_END, val);
1592 
1593 	val = vact_st << 16;
1594 	val |= vact_end;
1595 	vop2_vp_write(vp, RK3568_VP_DSP_VACT_ST_END, val);
1596 
1597 	if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
1598 		u16 vact_st_f1 = vtotal + vact_st + 1;
1599 		u16 vact_end_f1 = vact_st_f1 + vdisplay;
1600 
1601 		val = vact_st_f1 << 16 | vact_end_f1;
1602 		vop2_vp_write(vp, RK3568_VP_DSP_VACT_ST_END_F1, val);
1603 
1604 		val = vtotal << 16 | (vtotal + vsync_len);
1605 		vop2_vp_write(vp, RK3568_VP_DSP_VS_ST_END_F1, val);
1606 		dsp_ctrl |= RK3568_VP_DSP_CTRL__DSP_INTERLACE;
1607 		dsp_ctrl |= RK3568_VP_DSP_CTRL__DSP_FILED_POL;
1608 		dsp_ctrl |= RK3568_VP_DSP_CTRL__P2I_EN;
1609 		vtotal += vtotal + 1;
1610 		act_end = vact_end_f1;
1611 	} else {
1612 		act_end = vact_end;
1613 	}
1614 
1615 	vop2_writel(vop2, RK3568_VP_LINE_FLAG(vp->id),
1616 		    (act_end - us_to_vertical_line(mode, 0)) << 16 | act_end);
1617 
1618 	vop2_vp_write(vp, RK3568_VP_DSP_VTOTAL_VS_END, vtotal << 16 | vsync_len);
1619 
1620 	if (mode->flags & DRM_MODE_FLAG_DBLCLK) {
1621 		dsp_ctrl |= RK3568_VP_DSP_CTRL__CORE_DCLK_DIV;
1622 		clock *= 2;
1623 	}
1624 
1625 	vop2_vp_write(vp, RK3568_VP_MIPI_CTRL, 0);
1626 
1627 	clk_set_rate(vp->dclk, clock);
1628 
1629 	vop2_post_config(crtc);
1630 
1631 	vop2_cfg_done(vp);
1632 
1633 	vop2_vp_write(vp, RK3568_VP_DSP_CTRL, dsp_ctrl);
1634 
1635 	drm_crtc_vblank_on(crtc);
1636 
1637 	vop2_unlock(vop2);
1638 }
1639 
vop2_crtc_atomic_check(struct drm_crtc * crtc,struct drm_atomic_state * state)1640 static int vop2_crtc_atomic_check(struct drm_crtc *crtc,
1641 				  struct drm_atomic_state *state)
1642 {
1643 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
1644 	struct drm_plane *plane;
1645 	int nplanes = 0;
1646 	struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
1647 
1648 	drm_atomic_crtc_state_for_each_plane(plane, crtc_state)
1649 		nplanes++;
1650 
1651 	if (nplanes > vp->nlayers)
1652 		return -EINVAL;
1653 
1654 	return 0;
1655 }
1656 
is_opaque(u16 alpha)1657 static bool is_opaque(u16 alpha)
1658 {
1659 	return (alpha >> 8) == 0xff;
1660 }
1661 
vop2_parse_alpha(struct vop2_alpha_config * alpha_config,struct vop2_alpha * alpha)1662 static void vop2_parse_alpha(struct vop2_alpha_config *alpha_config,
1663 			     struct vop2_alpha *alpha)
1664 {
1665 	int src_glb_alpha_en = is_opaque(alpha_config->src_glb_alpha_value) ? 0 : 1;
1666 	int dst_glb_alpha_en = is_opaque(alpha_config->dst_glb_alpha_value) ? 0 : 1;
1667 	int src_color_mode = alpha_config->src_premulti_en ?
1668 				ALPHA_SRC_PRE_MUL : ALPHA_SRC_NO_PRE_MUL;
1669 	int dst_color_mode = alpha_config->dst_premulti_en ?
1670 				ALPHA_SRC_PRE_MUL : ALPHA_SRC_NO_PRE_MUL;
1671 
1672 	alpha->src_color_ctrl.val = 0;
1673 	alpha->dst_color_ctrl.val = 0;
1674 	alpha->src_alpha_ctrl.val = 0;
1675 	alpha->dst_alpha_ctrl.val = 0;
1676 
1677 	if (!alpha_config->src_pixel_alpha_en)
1678 		alpha->src_color_ctrl.bits.blend_mode = ALPHA_GLOBAL;
1679 	else if (alpha_config->src_pixel_alpha_en && !src_glb_alpha_en)
1680 		alpha->src_color_ctrl.bits.blend_mode = ALPHA_PER_PIX;
1681 	else
1682 		alpha->src_color_ctrl.bits.blend_mode = ALPHA_PER_PIX_GLOBAL;
1683 
1684 	alpha->src_color_ctrl.bits.alpha_en = 1;
1685 
1686 	if (alpha->src_color_ctrl.bits.blend_mode == ALPHA_GLOBAL) {
1687 		alpha->src_color_ctrl.bits.color_mode = src_color_mode;
1688 		alpha->src_color_ctrl.bits.factor_mode = SRC_FAC_ALPHA_SRC_GLOBAL;
1689 	} else if (alpha->src_color_ctrl.bits.blend_mode == ALPHA_PER_PIX) {
1690 		alpha->src_color_ctrl.bits.color_mode = src_color_mode;
1691 		alpha->src_color_ctrl.bits.factor_mode = SRC_FAC_ALPHA_ONE;
1692 	} else {
1693 		alpha->src_color_ctrl.bits.color_mode = ALPHA_SRC_PRE_MUL;
1694 		alpha->src_color_ctrl.bits.factor_mode = SRC_FAC_ALPHA_SRC_GLOBAL;
1695 	}
1696 	alpha->src_color_ctrl.bits.glb_alpha = alpha_config->src_glb_alpha_value >> 8;
1697 	alpha->src_color_ctrl.bits.alpha_mode = ALPHA_STRAIGHT;
1698 	alpha->src_color_ctrl.bits.alpha_cal_mode = ALPHA_SATURATION;
1699 
1700 	alpha->dst_color_ctrl.bits.alpha_mode = ALPHA_STRAIGHT;
1701 	alpha->dst_color_ctrl.bits.alpha_cal_mode = ALPHA_SATURATION;
1702 	alpha->dst_color_ctrl.bits.blend_mode = ALPHA_GLOBAL;
1703 	alpha->dst_color_ctrl.bits.glb_alpha = alpha_config->dst_glb_alpha_value >> 8;
1704 	alpha->dst_color_ctrl.bits.color_mode = dst_color_mode;
1705 	alpha->dst_color_ctrl.bits.factor_mode = ALPHA_SRC_INVERSE;
1706 
1707 	alpha->src_alpha_ctrl.bits.alpha_mode = ALPHA_STRAIGHT;
1708 	alpha->src_alpha_ctrl.bits.blend_mode = alpha->src_color_ctrl.bits.blend_mode;
1709 	alpha->src_alpha_ctrl.bits.alpha_cal_mode = ALPHA_SATURATION;
1710 	alpha->src_alpha_ctrl.bits.factor_mode = ALPHA_ONE;
1711 
1712 	alpha->dst_alpha_ctrl.bits.alpha_mode = ALPHA_STRAIGHT;
1713 	if (alpha_config->dst_pixel_alpha_en && !dst_glb_alpha_en)
1714 		alpha->dst_alpha_ctrl.bits.blend_mode = ALPHA_PER_PIX;
1715 	else
1716 		alpha->dst_alpha_ctrl.bits.blend_mode = ALPHA_PER_PIX_GLOBAL;
1717 	alpha->dst_alpha_ctrl.bits.alpha_cal_mode = ALPHA_NO_SATURATION;
1718 	alpha->dst_alpha_ctrl.bits.factor_mode = ALPHA_SRC_INVERSE;
1719 }
1720 
vop2_find_start_mixer_id_for_vp(struct vop2 * vop2,u8 port_id)1721 static int vop2_find_start_mixer_id_for_vp(struct vop2 *vop2, u8 port_id)
1722 {
1723 	struct vop2_video_port *vp;
1724 	int used_layer = 0;
1725 	int i;
1726 
1727 	for (i = 0; i < port_id; i++) {
1728 		vp = &vop2->vps[i];
1729 		used_layer += hweight32(vp->win_mask);
1730 	}
1731 
1732 	return used_layer;
1733 }
1734 
vop2_setup_cluster_alpha(struct vop2 * vop2,struct vop2_win * main_win)1735 static void vop2_setup_cluster_alpha(struct vop2 *vop2, struct vop2_win *main_win)
1736 {
1737 	u32 offset = (main_win->data->phys_id * 0x10);
1738 	struct vop2_alpha_config alpha_config;
1739 	struct vop2_alpha alpha;
1740 	struct drm_plane_state *bottom_win_pstate;
1741 	bool src_pixel_alpha_en = false;
1742 	u16 src_glb_alpha_val, dst_glb_alpha_val;
1743 	bool premulti_en = false;
1744 	bool swap = false;
1745 
1746 	/* At one win mode, win0 is dst/bottom win, and win1 is a all zero src/top win */
1747 	bottom_win_pstate = main_win->base.state;
1748 	src_glb_alpha_val = 0;
1749 	dst_glb_alpha_val = main_win->base.state->alpha;
1750 
1751 	if (!bottom_win_pstate->fb)
1752 		return;
1753 
1754 	alpha_config.src_premulti_en = premulti_en;
1755 	alpha_config.dst_premulti_en = false;
1756 	alpha_config.src_pixel_alpha_en = src_pixel_alpha_en;
1757 	alpha_config.dst_pixel_alpha_en = true; /* alpha value need transfer to next mix */
1758 	alpha_config.src_glb_alpha_value = src_glb_alpha_val;
1759 	alpha_config.dst_glb_alpha_value = dst_glb_alpha_val;
1760 	vop2_parse_alpha(&alpha_config, &alpha);
1761 
1762 	alpha.src_color_ctrl.bits.src_dst_swap = swap;
1763 	vop2_writel(vop2, RK3568_CLUSTER0_MIX_SRC_COLOR_CTRL + offset,
1764 		    alpha.src_color_ctrl.val);
1765 	vop2_writel(vop2, RK3568_CLUSTER0_MIX_DST_COLOR_CTRL + offset,
1766 		    alpha.dst_color_ctrl.val);
1767 	vop2_writel(vop2, RK3568_CLUSTER0_MIX_SRC_ALPHA_CTRL + offset,
1768 		    alpha.src_alpha_ctrl.val);
1769 	vop2_writel(vop2, RK3568_CLUSTER0_MIX_DST_ALPHA_CTRL + offset,
1770 		    alpha.dst_alpha_ctrl.val);
1771 }
1772 
vop2_setup_alpha(struct vop2_video_port * vp)1773 static void vop2_setup_alpha(struct vop2_video_port *vp)
1774 {
1775 	struct vop2 *vop2 = vp->vop2;
1776 	struct drm_framebuffer *fb;
1777 	struct vop2_alpha_config alpha_config;
1778 	struct vop2_alpha alpha;
1779 	struct drm_plane *plane;
1780 	int pixel_alpha_en;
1781 	int premulti_en, gpremulti_en = 0;
1782 	int mixer_id;
1783 	u32 offset;
1784 	bool bottom_layer_alpha_en = false;
1785 	u32 dst_global_alpha = DRM_BLEND_ALPHA_OPAQUE;
1786 
1787 	mixer_id = vop2_find_start_mixer_id_for_vp(vop2, vp->id);
1788 	alpha_config.dst_pixel_alpha_en = true; /* alpha value need transfer to next mix */
1789 
1790 	drm_atomic_crtc_for_each_plane(plane, &vp->crtc) {
1791 		struct vop2_win *win = to_vop2_win(plane);
1792 
1793 		if (plane->state->normalized_zpos == 0 &&
1794 		    !is_opaque(plane->state->alpha) &&
1795 		    !vop2_cluster_window(win)) {
1796 			/*
1797 			 * If bottom layer have global alpha effect [except cluster layer,
1798 			 * because cluster have deal with bottom layer global alpha value
1799 			 * at cluster mix], bottom layer mix need deal with global alpha.
1800 			 */
1801 			bottom_layer_alpha_en = true;
1802 			dst_global_alpha = plane->state->alpha;
1803 		}
1804 	}
1805 
1806 	drm_atomic_crtc_for_each_plane(plane, &vp->crtc) {
1807 		struct vop2_win *win = to_vop2_win(plane);
1808 		int zpos = plane->state->normalized_zpos;
1809 
1810 		if (plane->state->pixel_blend_mode == DRM_MODE_BLEND_PREMULTI)
1811 			premulti_en = 1;
1812 		else
1813 			premulti_en = 0;
1814 
1815 		plane = &win->base;
1816 		fb = plane->state->fb;
1817 
1818 		pixel_alpha_en = fb->format->has_alpha;
1819 
1820 		alpha_config.src_premulti_en = premulti_en;
1821 
1822 		if (bottom_layer_alpha_en && zpos == 1) {
1823 			gpremulti_en = premulti_en;
1824 			/* Cd = Cs + (1 - As) * Cd * Agd */
1825 			alpha_config.dst_premulti_en = false;
1826 			alpha_config.src_pixel_alpha_en = pixel_alpha_en;
1827 			alpha_config.src_glb_alpha_value = plane->state->alpha;
1828 			alpha_config.dst_glb_alpha_value = dst_global_alpha;
1829 		} else if (vop2_cluster_window(win)) {
1830 			/* Mix output data only have pixel alpha */
1831 			alpha_config.dst_premulti_en = true;
1832 			alpha_config.src_pixel_alpha_en = true;
1833 			alpha_config.src_glb_alpha_value = DRM_BLEND_ALPHA_OPAQUE;
1834 			alpha_config.dst_glb_alpha_value = DRM_BLEND_ALPHA_OPAQUE;
1835 		} else {
1836 			/* Cd = Cs + (1 - As) * Cd */
1837 			alpha_config.dst_premulti_en = true;
1838 			alpha_config.src_pixel_alpha_en = pixel_alpha_en;
1839 			alpha_config.src_glb_alpha_value = plane->state->alpha;
1840 			alpha_config.dst_glb_alpha_value = DRM_BLEND_ALPHA_OPAQUE;
1841 		}
1842 
1843 		vop2_parse_alpha(&alpha_config, &alpha);
1844 
1845 		offset = (mixer_id + zpos - 1) * 0x10;
1846 		vop2_writel(vop2, RK3568_MIX0_SRC_COLOR_CTRL + offset,
1847 			    alpha.src_color_ctrl.val);
1848 		vop2_writel(vop2, RK3568_MIX0_DST_COLOR_CTRL + offset,
1849 			    alpha.dst_color_ctrl.val);
1850 		vop2_writel(vop2, RK3568_MIX0_SRC_ALPHA_CTRL + offset,
1851 			    alpha.src_alpha_ctrl.val);
1852 		vop2_writel(vop2, RK3568_MIX0_DST_ALPHA_CTRL + offset,
1853 			    alpha.dst_alpha_ctrl.val);
1854 	}
1855 
1856 	if (vp->id == 0) {
1857 		if (bottom_layer_alpha_en) {
1858 			/* Transfer pixel alpha to hdr mix */
1859 			alpha_config.src_premulti_en = gpremulti_en;
1860 			alpha_config.dst_premulti_en = true;
1861 			alpha_config.src_pixel_alpha_en = true;
1862 			alpha_config.src_glb_alpha_value = DRM_BLEND_ALPHA_OPAQUE;
1863 			alpha_config.dst_glb_alpha_value = DRM_BLEND_ALPHA_OPAQUE;
1864 			vop2_parse_alpha(&alpha_config, &alpha);
1865 
1866 			vop2_writel(vop2, RK3568_HDR0_SRC_COLOR_CTRL,
1867 				    alpha.src_color_ctrl.val);
1868 			vop2_writel(vop2, RK3568_HDR0_DST_COLOR_CTRL,
1869 				    alpha.dst_color_ctrl.val);
1870 			vop2_writel(vop2, RK3568_HDR0_SRC_ALPHA_CTRL,
1871 				    alpha.src_alpha_ctrl.val);
1872 			vop2_writel(vop2, RK3568_HDR0_DST_ALPHA_CTRL,
1873 				    alpha.dst_alpha_ctrl.val);
1874 		} else {
1875 			vop2_writel(vop2, RK3568_HDR0_SRC_COLOR_CTRL, 0);
1876 		}
1877 	}
1878 }
1879 
vop2_setup_layer_mixer(struct vop2_video_port * vp)1880 static void vop2_setup_layer_mixer(struct vop2_video_port *vp)
1881 {
1882 	struct vop2 *vop2 = vp->vop2;
1883 	struct drm_plane *plane;
1884 	u32 layer_sel = 0;
1885 	u32 port_sel;
1886 	unsigned int nlayer, ofs;
1887 	struct drm_display_mode *adjusted_mode;
1888 	u16 hsync_len;
1889 	u16 hdisplay;
1890 	u32 bg_dly;
1891 	u32 pre_scan_dly;
1892 	int i;
1893 	struct vop2_video_port *vp0 = &vop2->vps[0];
1894 	struct vop2_video_port *vp1 = &vop2->vps[1];
1895 	struct vop2_video_port *vp2 = &vop2->vps[2];
1896 
1897 	adjusted_mode = &vp->crtc.state->adjusted_mode;
1898 	hsync_len = adjusted_mode->crtc_hsync_end - adjusted_mode->crtc_hsync_start;
1899 	hdisplay = adjusted_mode->crtc_hdisplay;
1900 
1901 	bg_dly = vp->data->pre_scan_max_dly[3];
1902 	vop2_writel(vop2, RK3568_VP_BG_MIX_CTRL(vp->id),
1903 		    FIELD_PREP(RK3568_VP_BG_MIX_CTRL__BG_DLY, bg_dly));
1904 
1905 	pre_scan_dly = ((bg_dly + (hdisplay >> 1) - 1) << 16) | hsync_len;
1906 	vop2_vp_write(vp, RK3568_VP_PRE_SCAN_HTIMING, pre_scan_dly);
1907 
1908 	vop2_writel(vop2, RK3568_OVL_CTRL, 0);
1909 	port_sel = vop2_readl(vop2, RK3568_OVL_PORT_SEL);
1910 	port_sel &= RK3568_OVL_PORT_SEL__SEL_PORT;
1911 
1912 	if (vp0->nlayers)
1913 		port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT0_MUX,
1914 				     vp0->nlayers - 1);
1915 	else
1916 		port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT0_MUX, 8);
1917 
1918 	if (vp1->nlayers)
1919 		port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT1_MUX,
1920 				     (vp0->nlayers + vp1->nlayers - 1));
1921 	else
1922 		port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT1_MUX, 8);
1923 
1924 	if (vp2->nlayers)
1925 		port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT2_MUX,
1926 			(vp2->nlayers + vp1->nlayers + vp0->nlayers - 1));
1927 	else
1928 		port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT1_MUX, 8);
1929 
1930 	layer_sel = vop2_readl(vop2, RK3568_OVL_LAYER_SEL);
1931 
1932 	ofs = 0;
1933 	for (i = 0; i < vp->id; i++)
1934 		ofs += vop2->vps[i].nlayers;
1935 
1936 	nlayer = 0;
1937 	drm_atomic_crtc_for_each_plane(plane, &vp->crtc) {
1938 		struct vop2_win *win = to_vop2_win(plane);
1939 
1940 		switch (win->data->phys_id) {
1941 		case ROCKCHIP_VOP2_CLUSTER0:
1942 			port_sel &= ~RK3568_OVL_PORT_SEL__CLUSTER0;
1943 			port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__CLUSTER0, vp->id);
1944 			break;
1945 		case ROCKCHIP_VOP2_CLUSTER1:
1946 			port_sel &= ~RK3568_OVL_PORT_SEL__CLUSTER1;
1947 			port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__CLUSTER1, vp->id);
1948 			break;
1949 		case ROCKCHIP_VOP2_ESMART0:
1950 			port_sel &= ~RK3568_OVL_PORT_SEL__ESMART0;
1951 			port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__ESMART0, vp->id);
1952 			break;
1953 		case ROCKCHIP_VOP2_ESMART1:
1954 			port_sel &= ~RK3568_OVL_PORT_SEL__ESMART1;
1955 			port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__ESMART1, vp->id);
1956 			break;
1957 		case ROCKCHIP_VOP2_SMART0:
1958 			port_sel &= ~RK3568_OVL_PORT_SEL__SMART0;
1959 			port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__SMART0, vp->id);
1960 			break;
1961 		case ROCKCHIP_VOP2_SMART1:
1962 			port_sel &= ~RK3568_OVL_PORT_SEL__SMART1;
1963 			port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__SMART1, vp->id);
1964 			break;
1965 		}
1966 
1967 		layer_sel &= ~RK3568_OVL_LAYER_SEL__LAYER(plane->state->normalized_zpos + ofs,
1968 							  0x7);
1969 		layer_sel |= RK3568_OVL_LAYER_SEL__LAYER(plane->state->normalized_zpos + ofs,
1970 							 win->data->layer_sel_id);
1971 		nlayer++;
1972 	}
1973 
1974 	/* configure unused layers to 0x5 (reserved) */
1975 	for (; nlayer < vp->nlayers; nlayer++) {
1976 		layer_sel &= ~RK3568_OVL_LAYER_SEL__LAYER(nlayer + ofs, 0x7);
1977 		layer_sel |= RK3568_OVL_LAYER_SEL__LAYER(nlayer + ofs, 5);
1978 	}
1979 
1980 	vop2_writel(vop2, RK3568_OVL_LAYER_SEL, layer_sel);
1981 	vop2_writel(vop2, RK3568_OVL_PORT_SEL, port_sel);
1982 	vop2_writel(vop2, RK3568_OVL_CTRL, RK3568_OVL_CTRL__LAYERSEL_REGDONE_IMD);
1983 }
1984 
vop2_setup_dly_for_windows(struct vop2 * vop2)1985 static void vop2_setup_dly_for_windows(struct vop2 *vop2)
1986 {
1987 	struct vop2_win *win;
1988 	int i = 0;
1989 	u32 cdly = 0, sdly = 0;
1990 
1991 	for (i = 0; i < vop2->data->win_size; i++) {
1992 		u32 dly;
1993 
1994 		win = &vop2->win[i];
1995 		dly = win->delay;
1996 
1997 		switch (win->data->phys_id) {
1998 		case ROCKCHIP_VOP2_CLUSTER0:
1999 			cdly |= FIELD_PREP(RK3568_CLUSTER_DLY_NUM__CLUSTER0_0, dly);
2000 			cdly |= FIELD_PREP(RK3568_CLUSTER_DLY_NUM__CLUSTER0_1, dly);
2001 			break;
2002 		case ROCKCHIP_VOP2_CLUSTER1:
2003 			cdly |= FIELD_PREP(RK3568_CLUSTER_DLY_NUM__CLUSTER1_0, dly);
2004 			cdly |= FIELD_PREP(RK3568_CLUSTER_DLY_NUM__CLUSTER1_1, dly);
2005 			break;
2006 		case ROCKCHIP_VOP2_ESMART0:
2007 			sdly |= FIELD_PREP(RK3568_SMART_DLY_NUM__ESMART0, dly);
2008 			break;
2009 		case ROCKCHIP_VOP2_ESMART1:
2010 			sdly |= FIELD_PREP(RK3568_SMART_DLY_NUM__ESMART1, dly);
2011 			break;
2012 		case ROCKCHIP_VOP2_SMART0:
2013 			sdly |= FIELD_PREP(RK3568_SMART_DLY_NUM__SMART0, dly);
2014 			break;
2015 		case ROCKCHIP_VOP2_SMART1:
2016 			sdly |= FIELD_PREP(RK3568_SMART_DLY_NUM__SMART1, dly);
2017 			break;
2018 		}
2019 	}
2020 
2021 	vop2_writel(vop2, RK3568_CLUSTER_DLY_NUM, cdly);
2022 	vop2_writel(vop2, RK3568_SMART_DLY_NUM, sdly);
2023 }
2024 
vop2_crtc_atomic_begin(struct drm_crtc * crtc,struct drm_atomic_state * state)2025 static void vop2_crtc_atomic_begin(struct drm_crtc *crtc,
2026 				   struct drm_atomic_state *state)
2027 {
2028 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
2029 	struct vop2 *vop2 = vp->vop2;
2030 	struct drm_plane *plane;
2031 
2032 	vp->win_mask = 0;
2033 
2034 	drm_atomic_crtc_for_each_plane(plane, crtc) {
2035 		struct vop2_win *win = to_vop2_win(plane);
2036 
2037 		win->delay = win->data->dly[VOP2_DLY_MODE_DEFAULT];
2038 
2039 		vp->win_mask |= BIT(win->data->phys_id);
2040 
2041 		if (vop2_cluster_window(win))
2042 			vop2_setup_cluster_alpha(vop2, win);
2043 	}
2044 
2045 	if (!vp->win_mask)
2046 		return;
2047 
2048 	vop2_setup_layer_mixer(vp);
2049 	vop2_setup_alpha(vp);
2050 	vop2_setup_dly_for_windows(vop2);
2051 }
2052 
vop2_crtc_atomic_flush(struct drm_crtc * crtc,struct drm_atomic_state * state)2053 static void vop2_crtc_atomic_flush(struct drm_crtc *crtc,
2054 				   struct drm_atomic_state *state)
2055 {
2056 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
2057 
2058 	vop2_post_config(crtc);
2059 
2060 	vop2_cfg_done(vp);
2061 
2062 	spin_lock_irq(&crtc->dev->event_lock);
2063 
2064 	if (crtc->state->event) {
2065 		WARN_ON(drm_crtc_vblank_get(crtc));
2066 		vp->event = crtc->state->event;
2067 		crtc->state->event = NULL;
2068 	}
2069 
2070 	spin_unlock_irq(&crtc->dev->event_lock);
2071 }
2072 
2073 static const struct drm_crtc_helper_funcs vop2_crtc_helper_funcs = {
2074 	.mode_fixup = vop2_crtc_mode_fixup,
2075 	.atomic_check = vop2_crtc_atomic_check,
2076 	.atomic_begin = vop2_crtc_atomic_begin,
2077 	.atomic_flush = vop2_crtc_atomic_flush,
2078 	.atomic_enable = vop2_crtc_atomic_enable,
2079 	.atomic_disable = vop2_crtc_atomic_disable,
2080 };
2081 
vop2_crtc_duplicate_state(struct drm_crtc * crtc)2082 static struct drm_crtc_state *vop2_crtc_duplicate_state(struct drm_crtc *crtc)
2083 {
2084 	struct rockchip_crtc_state *vcstate;
2085 
2086 	if (WARN_ON(!crtc->state))
2087 		return NULL;
2088 
2089 	vcstate = kmemdup(to_rockchip_crtc_state(crtc->state),
2090 			  sizeof(*vcstate), GFP_KERNEL);
2091 	if (!vcstate)
2092 		return NULL;
2093 
2094 	__drm_atomic_helper_crtc_duplicate_state(crtc, &vcstate->base);
2095 
2096 	return &vcstate->base;
2097 }
2098 
vop2_crtc_destroy_state(struct drm_crtc * crtc,struct drm_crtc_state * state)2099 static void vop2_crtc_destroy_state(struct drm_crtc *crtc,
2100 				    struct drm_crtc_state *state)
2101 {
2102 	struct rockchip_crtc_state *vcstate = to_rockchip_crtc_state(state);
2103 
2104 	__drm_atomic_helper_crtc_destroy_state(&vcstate->base);
2105 	kfree(vcstate);
2106 }
2107 
vop2_crtc_reset(struct drm_crtc * crtc)2108 static void vop2_crtc_reset(struct drm_crtc *crtc)
2109 {
2110 	struct rockchip_crtc_state *vcstate =
2111 		kzalloc(sizeof(*vcstate), GFP_KERNEL);
2112 
2113 	if (crtc->state)
2114 		vop2_crtc_destroy_state(crtc, crtc->state);
2115 
2116 	if (vcstate)
2117 		__drm_atomic_helper_crtc_reset(crtc, &vcstate->base);
2118 	else
2119 		__drm_atomic_helper_crtc_reset(crtc, NULL);
2120 }
2121 
2122 static const struct drm_crtc_funcs vop2_crtc_funcs = {
2123 	.set_config = drm_atomic_helper_set_config,
2124 	.page_flip = drm_atomic_helper_page_flip,
2125 	.destroy = drm_crtc_cleanup,
2126 	.reset = vop2_crtc_reset,
2127 	.atomic_duplicate_state = vop2_crtc_duplicate_state,
2128 	.atomic_destroy_state = vop2_crtc_destroy_state,
2129 	.enable_vblank = vop2_crtc_enable_vblank,
2130 	.disable_vblank = vop2_crtc_disable_vblank,
2131 };
2132 
vop2_isr(int irq,void * data)2133 static irqreturn_t vop2_isr(int irq, void *data)
2134 {
2135 	struct vop2 *vop2 = data;
2136 	const struct vop2_data *vop2_data = vop2->data;
2137 	u32 axi_irqs[VOP2_SYS_AXI_BUS_NUM];
2138 	int ret = IRQ_NONE;
2139 	int i;
2140 
2141 	/*
2142 	 * The irq is shared with the iommu. If the runtime-pm state of the
2143 	 * vop2-device is disabled the irq has to be targeted at the iommu.
2144 	 */
2145 	if (!pm_runtime_get_if_in_use(vop2->dev))
2146 		return IRQ_NONE;
2147 
2148 	for (i = 0; i < vop2_data->nr_vps; i++) {
2149 		struct vop2_video_port *vp = &vop2->vps[i];
2150 		struct drm_crtc *crtc = &vp->crtc;
2151 		u32 irqs;
2152 
2153 		irqs = vop2_readl(vop2, RK3568_VP_INT_STATUS(vp->id));
2154 		vop2_writel(vop2, RK3568_VP_INT_CLR(vp->id), irqs << 16 | irqs);
2155 
2156 		if (irqs & VP_INT_DSP_HOLD_VALID) {
2157 			complete(&vp->dsp_hold_completion);
2158 			ret = IRQ_HANDLED;
2159 		}
2160 
2161 		if (irqs & VP_INT_FS_FIELD) {
2162 			drm_crtc_handle_vblank(crtc);
2163 			spin_lock(&crtc->dev->event_lock);
2164 			if (vp->event) {
2165 				u32 val = vop2_readl(vop2, RK3568_REG_CFG_DONE);
2166 
2167 				if (!(val & BIT(vp->id))) {
2168 					drm_crtc_send_vblank_event(crtc, vp->event);
2169 					vp->event = NULL;
2170 					drm_crtc_vblank_put(crtc);
2171 				}
2172 			}
2173 			spin_unlock(&crtc->dev->event_lock);
2174 
2175 			ret = IRQ_HANDLED;
2176 		}
2177 
2178 		if (irqs & VP_INT_POST_BUF_EMPTY) {
2179 			drm_err_ratelimited(vop2->drm,
2180 					    "POST_BUF_EMPTY irq err at vp%d\n",
2181 					    vp->id);
2182 			ret = IRQ_HANDLED;
2183 		}
2184 	}
2185 
2186 	axi_irqs[0] = vop2_readl(vop2, RK3568_SYS0_INT_STATUS);
2187 	vop2_writel(vop2, RK3568_SYS0_INT_CLR, axi_irqs[0] << 16 | axi_irqs[0]);
2188 	axi_irqs[1] = vop2_readl(vop2, RK3568_SYS1_INT_STATUS);
2189 	vop2_writel(vop2, RK3568_SYS1_INT_CLR, axi_irqs[1] << 16 | axi_irqs[1]);
2190 
2191 	for (i = 0; i < ARRAY_SIZE(axi_irqs); i++) {
2192 		if (axi_irqs[i] & VOP2_INT_BUS_ERRPR) {
2193 			drm_err_ratelimited(vop2->drm, "BUS_ERROR irq err\n");
2194 			ret = IRQ_HANDLED;
2195 		}
2196 	}
2197 
2198 	pm_runtime_put(vop2->dev);
2199 
2200 	return ret;
2201 }
2202 
vop2_plane_init(struct vop2 * vop2,struct vop2_win * win,unsigned long possible_crtcs)2203 static int vop2_plane_init(struct vop2 *vop2, struct vop2_win *win,
2204 			   unsigned long possible_crtcs)
2205 {
2206 	const struct vop2_win_data *win_data = win->data;
2207 	unsigned int blend_caps = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
2208 				  BIT(DRM_MODE_BLEND_PREMULTI) |
2209 				  BIT(DRM_MODE_BLEND_COVERAGE);
2210 	int ret;
2211 
2212 	ret = drm_universal_plane_init(vop2->drm, &win->base, possible_crtcs,
2213 				       &vop2_plane_funcs, win_data->formats,
2214 				       win_data->nformats,
2215 				       win_data->format_modifiers,
2216 				       win->type, win_data->name);
2217 	if (ret) {
2218 		drm_err(vop2->drm, "failed to initialize plane %d\n", ret);
2219 		return ret;
2220 	}
2221 
2222 	drm_plane_helper_add(&win->base, &vop2_plane_helper_funcs);
2223 
2224 	if (win->data->supported_rotations)
2225 		drm_plane_create_rotation_property(&win->base, DRM_MODE_ROTATE_0,
2226 						   DRM_MODE_ROTATE_0 |
2227 						   win->data->supported_rotations);
2228 	drm_plane_create_alpha_property(&win->base);
2229 	drm_plane_create_blend_mode_property(&win->base, blend_caps);
2230 	drm_plane_create_zpos_property(&win->base, win->win_id, 0,
2231 				       vop2->registered_num_wins - 1);
2232 
2233 	return 0;
2234 }
2235 
find_vp_without_primary(struct vop2 * vop2)2236 static struct vop2_video_port *find_vp_without_primary(struct vop2 *vop2)
2237 {
2238 	int i;
2239 
2240 	for (i = 0; i < vop2->data->nr_vps; i++) {
2241 		struct vop2_video_port *vp = &vop2->vps[i];
2242 
2243 		if (!vp->crtc.port)
2244 			continue;
2245 		if (vp->primary_plane)
2246 			continue;
2247 
2248 		return vp;
2249 	}
2250 
2251 	return NULL;
2252 }
2253 
2254 #define NR_LAYERS 6
2255 
vop2_create_crtcs(struct vop2 * vop2)2256 static int vop2_create_crtcs(struct vop2 *vop2)
2257 {
2258 	const struct vop2_data *vop2_data = vop2->data;
2259 	struct drm_device *drm = vop2->drm;
2260 	struct device *dev = vop2->dev;
2261 	struct drm_plane *plane;
2262 	struct device_node *port;
2263 	struct vop2_video_port *vp;
2264 	int i, nvp, nvps = 0;
2265 	int ret;
2266 
2267 	for (i = 0; i < vop2_data->nr_vps; i++) {
2268 		const struct vop2_video_port_data *vp_data;
2269 		struct device_node *np;
2270 		char dclk_name[9];
2271 
2272 		vp_data = &vop2_data->vp[i];
2273 		vp = &vop2->vps[i];
2274 		vp->vop2 = vop2;
2275 		vp->id = vp_data->id;
2276 		vp->regs = vp_data->regs;
2277 		vp->data = vp_data;
2278 
2279 		snprintf(dclk_name, sizeof(dclk_name), "dclk_vp%d", vp->id);
2280 		vp->dclk = devm_clk_get(vop2->dev, dclk_name);
2281 		if (IS_ERR(vp->dclk)) {
2282 			drm_err(vop2->drm, "failed to get %s\n", dclk_name);
2283 			return PTR_ERR(vp->dclk);
2284 		}
2285 
2286 		np = of_graph_get_remote_node(dev->of_node, i, -1);
2287 		if (!np) {
2288 			drm_dbg(vop2->drm, "%s: No remote for vp%d\n", __func__, i);
2289 			continue;
2290 		}
2291 		of_node_put(np);
2292 
2293 		port = of_graph_get_port_by_id(dev->of_node, i);
2294 		if (!port) {
2295 			drm_err(vop2->drm, "no port node found for video_port%d\n", i);
2296 			return -ENOENT;
2297 		}
2298 
2299 		vp->crtc.port = port;
2300 		nvps++;
2301 	}
2302 
2303 	nvp = 0;
2304 	for (i = 0; i < vop2->registered_num_wins; i++) {
2305 		struct vop2_win *win = &vop2->win[i];
2306 		u32 possible_crtcs = 0;
2307 
2308 		if (vop2->data->soc_id == 3566) {
2309 			/*
2310 			 * On RK3566 these windows don't have an independent
2311 			 * framebuffer. They share the framebuffer with smart0,
2312 			 * esmart0 and cluster0 respectively.
2313 			 */
2314 			switch (win->data->phys_id) {
2315 			case ROCKCHIP_VOP2_SMART1:
2316 			case ROCKCHIP_VOP2_ESMART1:
2317 			case ROCKCHIP_VOP2_CLUSTER1:
2318 				continue;
2319 			}
2320 		}
2321 
2322 		if (win->type == DRM_PLANE_TYPE_PRIMARY) {
2323 			vp = find_vp_without_primary(vop2);
2324 			if (vp) {
2325 				possible_crtcs = BIT(nvp);
2326 				vp->primary_plane = win;
2327 				nvp++;
2328 			} else {
2329 				/* change the unused primary window to overlay window */
2330 				win->type = DRM_PLANE_TYPE_OVERLAY;
2331 			}
2332 		}
2333 
2334 		if (win->type == DRM_PLANE_TYPE_OVERLAY)
2335 			possible_crtcs = (1 << nvps) - 1;
2336 
2337 		ret = vop2_plane_init(vop2, win, possible_crtcs);
2338 		if (ret) {
2339 			drm_err(vop2->drm, "failed to init plane %s: %d\n",
2340 				win->data->name, ret);
2341 			return ret;
2342 		}
2343 	}
2344 
2345 	for (i = 0; i < vop2_data->nr_vps; i++) {
2346 		vp = &vop2->vps[i];
2347 
2348 		if (!vp->crtc.port)
2349 			continue;
2350 
2351 		plane = &vp->primary_plane->base;
2352 
2353 		ret = drm_crtc_init_with_planes(drm, &vp->crtc, plane, NULL,
2354 						&vop2_crtc_funcs,
2355 						"video_port%d", vp->id);
2356 		if (ret) {
2357 			drm_err(vop2->drm, "crtc init for video_port%d failed\n", i);
2358 			return ret;
2359 		}
2360 
2361 		drm_crtc_helper_add(&vp->crtc, &vop2_crtc_helper_funcs);
2362 
2363 		init_completion(&vp->dsp_hold_completion);
2364 	}
2365 
2366 	/*
2367 	 * On the VOP2 it's very hard to change the number of layers on a VP
2368 	 * during runtime, so we distribute the layers equally over the used
2369 	 * VPs
2370 	 */
2371 	for (i = 0; i < vop2->data->nr_vps; i++) {
2372 		struct vop2_video_port *vp = &vop2->vps[i];
2373 
2374 		if (vp->crtc.port)
2375 			vp->nlayers = NR_LAYERS / nvps;
2376 	}
2377 
2378 	return 0;
2379 }
2380 
vop2_destroy_crtcs(struct vop2 * vop2)2381 static void vop2_destroy_crtcs(struct vop2 *vop2)
2382 {
2383 	struct drm_device *drm = vop2->drm;
2384 	struct list_head *crtc_list = &drm->mode_config.crtc_list;
2385 	struct list_head *plane_list = &drm->mode_config.plane_list;
2386 	struct drm_crtc *crtc, *tmpc;
2387 	struct drm_plane *plane, *tmpp;
2388 
2389 	list_for_each_entry_safe(plane, tmpp, plane_list, head)
2390 		drm_plane_cleanup(plane);
2391 
2392 	/*
2393 	 * Destroy CRTC after vop2_plane_destroy() since vop2_disable_plane()
2394 	 * references the CRTC.
2395 	 */
2396 	list_for_each_entry_safe(crtc, tmpc, crtc_list, head) {
2397 		of_node_put(crtc->port);
2398 		drm_crtc_cleanup(crtc);
2399 	}
2400 }
2401 
vop2_find_rgb_encoder(struct vop2 * vop2)2402 static int vop2_find_rgb_encoder(struct vop2 *vop2)
2403 {
2404 	struct device_node *node = vop2->dev->of_node;
2405 	struct device_node *endpoint;
2406 	int i;
2407 
2408 	for (i = 0; i < vop2->data->nr_vps; i++) {
2409 		endpoint = of_graph_get_endpoint_by_regs(node, i,
2410 							 ROCKCHIP_VOP2_EP_RGB0);
2411 		if (!endpoint)
2412 			continue;
2413 
2414 		of_node_put(endpoint);
2415 		return i;
2416 	}
2417 
2418 	return -ENOENT;
2419 }
2420 
2421 static struct reg_field vop2_cluster_regs[VOP2_WIN_MAX_REG] = {
2422 	[VOP2_WIN_ENABLE] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 0, 0),
2423 	[VOP2_WIN_FORMAT] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 1, 5),
2424 	[VOP2_WIN_RB_SWAP] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 14, 14),
2425 	[VOP2_WIN_DITHER_UP] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 18, 18),
2426 	[VOP2_WIN_ACT_INFO] = REG_FIELD(RK3568_CLUSTER_WIN_ACT_INFO, 0, 31),
2427 	[VOP2_WIN_DSP_INFO] = REG_FIELD(RK3568_CLUSTER_WIN_DSP_INFO, 0, 31),
2428 	[VOP2_WIN_DSP_ST] = REG_FIELD(RK3568_CLUSTER_WIN_DSP_ST, 0, 31),
2429 	[VOP2_WIN_YRGB_MST] = REG_FIELD(RK3568_CLUSTER_WIN_YRGB_MST, 0, 31),
2430 	[VOP2_WIN_UV_MST] = REG_FIELD(RK3568_CLUSTER_WIN_CBR_MST, 0, 31),
2431 	[VOP2_WIN_YUV_CLIP] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 19, 19),
2432 	[VOP2_WIN_YRGB_VIR] = REG_FIELD(RK3568_CLUSTER_WIN_VIR, 0, 15),
2433 	[VOP2_WIN_UV_VIR] = REG_FIELD(RK3568_CLUSTER_WIN_VIR, 16, 31),
2434 	[VOP2_WIN_Y2R_EN] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 8, 8),
2435 	[VOP2_WIN_R2Y_EN] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 9, 9),
2436 	[VOP2_WIN_CSC_MODE] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 10, 11),
2437 
2438 	/* Scale */
2439 	[VOP2_WIN_SCALE_YRGB_X] = REG_FIELD(RK3568_CLUSTER_WIN_SCL_FACTOR_YRGB, 0, 15),
2440 	[VOP2_WIN_SCALE_YRGB_Y] = REG_FIELD(RK3568_CLUSTER_WIN_SCL_FACTOR_YRGB, 16, 31),
2441 	[VOP2_WIN_YRGB_VER_SCL_MODE] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL1, 14, 15),
2442 	[VOP2_WIN_YRGB_HOR_SCL_MODE] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL1, 12, 13),
2443 	[VOP2_WIN_BIC_COE_SEL] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL1, 2, 3),
2444 	[VOP2_WIN_VSD_YRGB_GT2] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL1, 28, 28),
2445 	[VOP2_WIN_VSD_YRGB_GT4] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL1, 29, 29),
2446 
2447 	/* cluster regs */
2448 	[VOP2_WIN_AFBC_ENABLE] = REG_FIELD(RK3568_CLUSTER_CTRL, 1, 1),
2449 	[VOP2_WIN_CLUSTER_ENABLE] = REG_FIELD(RK3568_CLUSTER_CTRL, 0, 0),
2450 	[VOP2_WIN_CLUSTER_LB_MODE] = REG_FIELD(RK3568_CLUSTER_CTRL, 4, 7),
2451 
2452 	/* afbc regs */
2453 	[VOP2_WIN_AFBC_FORMAT] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_CTRL, 2, 6),
2454 	[VOP2_WIN_AFBC_RB_SWAP] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_CTRL, 9, 9),
2455 	[VOP2_WIN_AFBC_UV_SWAP] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_CTRL, 10, 10),
2456 	[VOP2_WIN_AFBC_AUTO_GATING_EN] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_OUTPUT_CTRL, 4, 4),
2457 	[VOP2_WIN_AFBC_HALF_BLOCK_EN] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_CTRL, 7, 7),
2458 	[VOP2_WIN_AFBC_BLOCK_SPLIT_EN] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_CTRL, 8, 8),
2459 	[VOP2_WIN_AFBC_HDR_PTR] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_HDR_PTR, 0, 31),
2460 	[VOP2_WIN_AFBC_PIC_SIZE] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_PIC_SIZE, 0, 31),
2461 	[VOP2_WIN_AFBC_PIC_VIR_WIDTH] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_VIR_WIDTH, 0, 15),
2462 	[VOP2_WIN_AFBC_TILE_NUM] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_VIR_WIDTH, 16, 31),
2463 	[VOP2_WIN_AFBC_PIC_OFFSET] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_PIC_OFFSET, 0, 31),
2464 	[VOP2_WIN_AFBC_DSP_OFFSET] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_DSP_OFFSET, 0, 31),
2465 	[VOP2_WIN_AFBC_TRANSFORM_OFFSET] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_TRANSFORM_OFFSET, 0, 31),
2466 	[VOP2_WIN_AFBC_ROTATE_90] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_ROTATE_MODE, 0, 0),
2467 	[VOP2_WIN_AFBC_ROTATE_270] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_ROTATE_MODE, 1, 1),
2468 	[VOP2_WIN_XMIRROR] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_ROTATE_MODE, 2, 2),
2469 	[VOP2_WIN_YMIRROR] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_ROTATE_MODE, 3, 3),
2470 	[VOP2_WIN_UV_SWAP] = { .reg = 0xffffffff },
2471 	[VOP2_WIN_COLOR_KEY] = { .reg = 0xffffffff },
2472 	[VOP2_WIN_COLOR_KEY_EN] = { .reg = 0xffffffff },
2473 	[VOP2_WIN_SCALE_CBCR_X] = { .reg = 0xffffffff },
2474 	[VOP2_WIN_SCALE_CBCR_Y] = { .reg = 0xffffffff },
2475 	[VOP2_WIN_YRGB_HSCL_FILTER_MODE] = { .reg = 0xffffffff },
2476 	[VOP2_WIN_YRGB_VSCL_FILTER_MODE] = { .reg = 0xffffffff },
2477 	[VOP2_WIN_CBCR_VER_SCL_MODE] = { .reg = 0xffffffff },
2478 	[VOP2_WIN_CBCR_HSCL_FILTER_MODE] = { .reg = 0xffffffff },
2479 	[VOP2_WIN_CBCR_HOR_SCL_MODE] = { .reg = 0xffffffff },
2480 	[VOP2_WIN_CBCR_VSCL_FILTER_MODE] = { .reg = 0xffffffff },
2481 	[VOP2_WIN_VSD_CBCR_GT2] = { .reg = 0xffffffff },
2482 	[VOP2_WIN_VSD_CBCR_GT4] = { .reg = 0xffffffff },
2483 };
2484 
vop2_cluster_init(struct vop2_win * win)2485 static int vop2_cluster_init(struct vop2_win *win)
2486 {
2487 	struct vop2 *vop2 = win->vop2;
2488 	struct reg_field *cluster_regs;
2489 	int ret, i;
2490 
2491 	cluster_regs = kmemdup(vop2_cluster_regs, sizeof(vop2_cluster_regs),
2492 			       GFP_KERNEL);
2493 	if (!cluster_regs)
2494 		return -ENOMEM;
2495 
2496 	for (i = 0; i < ARRAY_SIZE(vop2_cluster_regs); i++)
2497 		if (cluster_regs[i].reg != 0xffffffff)
2498 			cluster_regs[i].reg += win->offset;
2499 
2500 	ret = devm_regmap_field_bulk_alloc(vop2->dev, vop2->map, win->reg,
2501 					   cluster_regs,
2502 					   ARRAY_SIZE(vop2_cluster_regs));
2503 
2504 	kfree(cluster_regs);
2505 
2506 	return ret;
2507 };
2508 
2509 static struct reg_field vop2_esmart_regs[VOP2_WIN_MAX_REG] = {
2510 	[VOP2_WIN_ENABLE] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 0, 0),
2511 	[VOP2_WIN_FORMAT] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 1, 5),
2512 	[VOP2_WIN_DITHER_UP] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 12, 12),
2513 	[VOP2_WIN_RB_SWAP] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 14, 14),
2514 	[VOP2_WIN_UV_SWAP] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 16, 16),
2515 	[VOP2_WIN_ACT_INFO] = REG_FIELD(RK3568_SMART_REGION0_ACT_INFO, 0, 31),
2516 	[VOP2_WIN_DSP_INFO] = REG_FIELD(RK3568_SMART_REGION0_DSP_INFO, 0, 31),
2517 	[VOP2_WIN_DSP_ST] = REG_FIELD(RK3568_SMART_REGION0_DSP_ST, 0, 28),
2518 	[VOP2_WIN_YRGB_MST] = REG_FIELD(RK3568_SMART_REGION0_YRGB_MST, 0, 31),
2519 	[VOP2_WIN_UV_MST] = REG_FIELD(RK3568_SMART_REGION0_CBR_MST, 0, 31),
2520 	[VOP2_WIN_YUV_CLIP] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 17, 17),
2521 	[VOP2_WIN_YRGB_VIR] = REG_FIELD(RK3568_SMART_REGION0_VIR, 0, 15),
2522 	[VOP2_WIN_UV_VIR] = REG_FIELD(RK3568_SMART_REGION0_VIR, 16, 31),
2523 	[VOP2_WIN_Y2R_EN] = REG_FIELD(RK3568_SMART_CTRL0, 0, 0),
2524 	[VOP2_WIN_R2Y_EN] = REG_FIELD(RK3568_SMART_CTRL0, 1, 1),
2525 	[VOP2_WIN_CSC_MODE] = REG_FIELD(RK3568_SMART_CTRL0, 2, 3),
2526 	[VOP2_WIN_YMIRROR] = REG_FIELD(RK3568_SMART_CTRL1, 31, 31),
2527 	[VOP2_WIN_COLOR_KEY] = REG_FIELD(RK3568_SMART_COLOR_KEY_CTRL, 0, 29),
2528 	[VOP2_WIN_COLOR_KEY_EN] = REG_FIELD(RK3568_SMART_COLOR_KEY_CTRL, 31, 31),
2529 
2530 	/* Scale */
2531 	[VOP2_WIN_SCALE_YRGB_X] = REG_FIELD(RK3568_SMART_REGION0_SCL_FACTOR_YRGB, 0, 15),
2532 	[VOP2_WIN_SCALE_YRGB_Y] = REG_FIELD(RK3568_SMART_REGION0_SCL_FACTOR_YRGB, 16, 31),
2533 	[VOP2_WIN_SCALE_CBCR_X] = REG_FIELD(RK3568_SMART_REGION0_SCL_FACTOR_CBR, 0, 15),
2534 	[VOP2_WIN_SCALE_CBCR_Y] = REG_FIELD(RK3568_SMART_REGION0_SCL_FACTOR_CBR, 16, 31),
2535 	[VOP2_WIN_YRGB_HOR_SCL_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 0, 1),
2536 	[VOP2_WIN_YRGB_HSCL_FILTER_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 2, 3),
2537 	[VOP2_WIN_YRGB_VER_SCL_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 4, 5),
2538 	[VOP2_WIN_YRGB_VSCL_FILTER_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 6, 7),
2539 	[VOP2_WIN_CBCR_HOR_SCL_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 8, 9),
2540 	[VOP2_WIN_CBCR_HSCL_FILTER_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 10, 11),
2541 	[VOP2_WIN_CBCR_VER_SCL_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 12, 13),
2542 	[VOP2_WIN_CBCR_VSCL_FILTER_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 14, 15),
2543 	[VOP2_WIN_BIC_COE_SEL] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 16, 17),
2544 	[VOP2_WIN_VSD_YRGB_GT2] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 8, 8),
2545 	[VOP2_WIN_VSD_YRGB_GT4] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 9, 9),
2546 	[VOP2_WIN_VSD_CBCR_GT2] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 10, 10),
2547 	[VOP2_WIN_VSD_CBCR_GT4] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 11, 11),
2548 	[VOP2_WIN_XMIRROR] = { .reg = 0xffffffff },
2549 	[VOP2_WIN_CLUSTER_ENABLE] = { .reg = 0xffffffff },
2550 	[VOP2_WIN_AFBC_ENABLE] = { .reg = 0xffffffff },
2551 	[VOP2_WIN_CLUSTER_LB_MODE] = { .reg = 0xffffffff },
2552 	[VOP2_WIN_AFBC_FORMAT] = { .reg = 0xffffffff },
2553 	[VOP2_WIN_AFBC_RB_SWAP] = { .reg = 0xffffffff },
2554 	[VOP2_WIN_AFBC_UV_SWAP] = { .reg = 0xffffffff },
2555 	[VOP2_WIN_AFBC_AUTO_GATING_EN] = { .reg = 0xffffffff },
2556 	[VOP2_WIN_AFBC_BLOCK_SPLIT_EN] = { .reg = 0xffffffff },
2557 	[VOP2_WIN_AFBC_PIC_VIR_WIDTH] = { .reg = 0xffffffff },
2558 	[VOP2_WIN_AFBC_TILE_NUM] = { .reg = 0xffffffff },
2559 	[VOP2_WIN_AFBC_PIC_OFFSET] = { .reg = 0xffffffff },
2560 	[VOP2_WIN_AFBC_PIC_SIZE] = { .reg = 0xffffffff },
2561 	[VOP2_WIN_AFBC_DSP_OFFSET] = { .reg = 0xffffffff },
2562 	[VOP2_WIN_AFBC_TRANSFORM_OFFSET] = { .reg = 0xffffffff },
2563 	[VOP2_WIN_AFBC_HDR_PTR] = { .reg = 0xffffffff },
2564 	[VOP2_WIN_AFBC_HALF_BLOCK_EN] = { .reg = 0xffffffff },
2565 	[VOP2_WIN_AFBC_ROTATE_270] = { .reg = 0xffffffff },
2566 	[VOP2_WIN_AFBC_ROTATE_90] = { .reg = 0xffffffff },
2567 };
2568 
vop2_esmart_init(struct vop2_win * win)2569 static int vop2_esmart_init(struct vop2_win *win)
2570 {
2571 	struct vop2 *vop2 = win->vop2;
2572 	struct reg_field *esmart_regs;
2573 	int ret, i;
2574 
2575 	esmart_regs = kmemdup(vop2_esmart_regs, sizeof(vop2_esmart_regs),
2576 			      GFP_KERNEL);
2577 	if (!esmart_regs)
2578 		return -ENOMEM;
2579 
2580 	for (i = 0; i < ARRAY_SIZE(vop2_esmart_regs); i++)
2581 		if (esmart_regs[i].reg != 0xffffffff)
2582 			esmart_regs[i].reg += win->offset;
2583 
2584 	ret = devm_regmap_field_bulk_alloc(vop2->dev, vop2->map, win->reg,
2585 					   esmart_regs,
2586 					   ARRAY_SIZE(vop2_esmart_regs));
2587 
2588 	kfree(esmart_regs);
2589 
2590 	return ret;
2591 };
2592 
vop2_win_init(struct vop2 * vop2)2593 static int vop2_win_init(struct vop2 *vop2)
2594 {
2595 	const struct vop2_data *vop2_data = vop2->data;
2596 	struct vop2_win *win;
2597 	int i, ret;
2598 
2599 	for (i = 0; i < vop2_data->win_size; i++) {
2600 		const struct vop2_win_data *win_data = &vop2_data->win[i];
2601 
2602 		win = &vop2->win[i];
2603 		win->data = win_data;
2604 		win->type = win_data->type;
2605 		win->offset = win_data->base;
2606 		win->win_id = i;
2607 		win->vop2 = vop2;
2608 		if (vop2_cluster_window(win))
2609 			ret = vop2_cluster_init(win);
2610 		else
2611 			ret = vop2_esmart_init(win);
2612 		if (ret)
2613 			return ret;
2614 	}
2615 
2616 	vop2->registered_num_wins = vop2_data->win_size;
2617 
2618 	return 0;
2619 }
2620 
2621 /*
2622  * The window registers are only updated when config done is written.
2623  * Until that they read back the old value. As we read-modify-write
2624  * these registers mark them as non-volatile. This makes sure we read
2625  * the new values from the regmap register cache.
2626  */
2627 static const struct regmap_range vop2_nonvolatile_range[] = {
2628 	regmap_reg_range(0x1000, 0x23ff),
2629 };
2630 
2631 static const struct regmap_access_table vop2_volatile_table = {
2632 	.no_ranges = vop2_nonvolatile_range,
2633 	.n_no_ranges = ARRAY_SIZE(vop2_nonvolatile_range),
2634 };
2635 
2636 static const struct regmap_config vop2_regmap_config = {
2637 	.reg_bits	= 32,
2638 	.val_bits	= 32,
2639 	.reg_stride	= 4,
2640 	.max_register	= 0x3000,
2641 	.name		= "vop2",
2642 	.volatile_table	= &vop2_volatile_table,
2643 	.cache_type	= REGCACHE_RBTREE,
2644 };
2645 
vop2_bind(struct device * dev,struct device * master,void * data)2646 static int vop2_bind(struct device *dev, struct device *master, void *data)
2647 {
2648 	struct platform_device *pdev = to_platform_device(dev);
2649 	const struct vop2_data *vop2_data;
2650 	struct drm_device *drm = data;
2651 	struct vop2 *vop2;
2652 	struct resource *res;
2653 	size_t alloc_size;
2654 	int ret;
2655 
2656 	vop2_data = of_device_get_match_data(dev);
2657 	if (!vop2_data)
2658 		return -ENODEV;
2659 
2660 	/* Allocate vop2 struct and its vop2_win array */
2661 	alloc_size = struct_size(vop2, win, vop2_data->win_size);
2662 	vop2 = devm_kzalloc(dev, alloc_size, GFP_KERNEL);
2663 	if (!vop2)
2664 		return -ENOMEM;
2665 
2666 	vop2->dev = dev;
2667 	vop2->data = vop2_data;
2668 	vop2->drm = drm;
2669 
2670 	dev_set_drvdata(dev, vop2);
2671 
2672 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "vop");
2673 	if (!res) {
2674 		drm_err(vop2->drm, "failed to get vop2 register byname\n");
2675 		return -EINVAL;
2676 	}
2677 
2678 	vop2->regs = devm_ioremap_resource(dev, res);
2679 	if (IS_ERR(vop2->regs))
2680 		return PTR_ERR(vop2->regs);
2681 	vop2->len = resource_size(res);
2682 
2683 	vop2->map = devm_regmap_init_mmio(dev, vop2->regs, &vop2_regmap_config);
2684 	if (IS_ERR(vop2->map))
2685 		return PTR_ERR(vop2->map);
2686 
2687 	ret = vop2_win_init(vop2);
2688 	if (ret)
2689 		return ret;
2690 
2691 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gamma-lut");
2692 	if (res) {
2693 		vop2->lut_regs = devm_ioremap_resource(dev, res);
2694 		if (IS_ERR(vop2->lut_regs))
2695 			return PTR_ERR(vop2->lut_regs);
2696 	}
2697 
2698 	vop2->grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,grf");
2699 
2700 	vop2->hclk = devm_clk_get(vop2->dev, "hclk");
2701 	if (IS_ERR(vop2->hclk)) {
2702 		drm_err(vop2->drm, "failed to get hclk source\n");
2703 		return PTR_ERR(vop2->hclk);
2704 	}
2705 
2706 	vop2->aclk = devm_clk_get(vop2->dev, "aclk");
2707 	if (IS_ERR(vop2->aclk)) {
2708 		drm_err(vop2->drm, "failed to get aclk source\n");
2709 		return PTR_ERR(vop2->aclk);
2710 	}
2711 
2712 	vop2->irq = platform_get_irq(pdev, 0);
2713 	if (vop2->irq < 0) {
2714 		drm_err(vop2->drm, "cannot find irq for vop2\n");
2715 		return vop2->irq;
2716 	}
2717 
2718 	mutex_init(&vop2->vop2_lock);
2719 
2720 	ret = devm_request_irq(dev, vop2->irq, vop2_isr, IRQF_SHARED, dev_name(dev), vop2);
2721 	if (ret)
2722 		return ret;
2723 
2724 	ret = vop2_create_crtcs(vop2);
2725 	if (ret)
2726 		return ret;
2727 
2728 	ret = vop2_find_rgb_encoder(vop2);
2729 	if (ret >= 0) {
2730 		vop2->rgb = rockchip_rgb_init(dev, &vop2->vps[ret].crtc,
2731 					      vop2->drm, ret);
2732 		if (IS_ERR(vop2->rgb)) {
2733 			if (PTR_ERR(vop2->rgb) == -EPROBE_DEFER) {
2734 				ret = PTR_ERR(vop2->rgb);
2735 				goto err_crtcs;
2736 			}
2737 			vop2->rgb = NULL;
2738 		}
2739 	}
2740 
2741 	rockchip_drm_dma_init_device(vop2->drm, vop2->dev);
2742 
2743 	pm_runtime_enable(&pdev->dev);
2744 
2745 	return 0;
2746 
2747 err_crtcs:
2748 	vop2_destroy_crtcs(vop2);
2749 
2750 	return ret;
2751 }
2752 
vop2_unbind(struct device * dev,struct device * master,void * data)2753 static void vop2_unbind(struct device *dev, struct device *master, void *data)
2754 {
2755 	struct vop2 *vop2 = dev_get_drvdata(dev);
2756 
2757 	pm_runtime_disable(dev);
2758 
2759 	if (vop2->rgb)
2760 		rockchip_rgb_fini(vop2->rgb);
2761 
2762 	vop2_destroy_crtcs(vop2);
2763 }
2764 
2765 const struct component_ops vop2_component_ops = {
2766 	.bind = vop2_bind,
2767 	.unbind = vop2_unbind,
2768 };
2769 EXPORT_SYMBOL_GPL(vop2_component_ops);
2770